WO2008026607A1 - Procédé de fabrication d'une solution aqueuse d'acide chloreux pour une utilisation en tant que bactéricide - Google Patents
Procédé de fabrication d'une solution aqueuse d'acide chloreux pour une utilisation en tant que bactéricide Download PDFInfo
- Publication number
- WO2008026607A1 WO2008026607A1 PCT/JP2007/066691 JP2007066691W WO2008026607A1 WO 2008026607 A1 WO2008026607 A1 WO 2008026607A1 JP 2007066691 W JP2007066691 W JP 2007066691W WO 2008026607 A1 WO2008026607 A1 WO 2008026607A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- aqueous solution
- sodium
- chlorous
- solution containing
- Prior art date
Links
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229940077239 chlorous acid Drugs 0.000 title claims abstract description 100
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000003899 bactericide agent Substances 0.000 title claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 93
- -1 inorganic acid salts Chemical class 0.000 claims abstract description 41
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 30
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229940005991 chloric acid Drugs 0.000 claims abstract description 23
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 16
- 150000007524 organic acids Chemical class 0.000 claims abstract description 14
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000006722 reduction reaction Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 39
- 239000000645 desinfectant Substances 0.000 claims description 24
- 229910001919 chlorite Inorganic materials 0.000 claims description 20
- 229910052619 chlorite group Inorganic materials 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 11
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 235000011054 acetic acid Nutrition 0.000 claims description 6
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 6
- 239000004310 lactic acid Substances 0.000 claims description 6
- 235000014655 lactic acid Nutrition 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 235000017550 sodium carbonate Nutrition 0.000 claims description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 6
- 229910021538 borax Inorganic materials 0.000 claims description 5
- CVOQYKPWIVSMDC-UHFFFAOYSA-L dipotassium;butanedioate Chemical compound [K+].[K+].[O-]C(=O)CCC([O-])=O CVOQYKPWIVSMDC-UHFFFAOYSA-L 0.000 claims description 5
- 229940074404 sodium succinate Drugs 0.000 claims description 5
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical group [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical group [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 claims description 5
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 claims description 3
- 239000001527 calcium lactate Substances 0.000 claims description 3
- 235000011086 calcium lactate Nutrition 0.000 claims description 3
- 229960002401 calcium lactate Drugs 0.000 claims description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 3
- WPUMTJGUQUYPIV-JIZZDEOASA-L disodium (S)-malate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](O)CC([O-])=O WPUMTJGUQUYPIV-JIZZDEOASA-L 0.000 claims description 3
- 150000004679 hydroxides Chemical class 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 3
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 3
- 235000011056 potassium acetate Nutrition 0.000 claims description 3
- 229960004109 potassium acetate Drugs 0.000 claims description 3
- 239000011736 potassium bicarbonate Substances 0.000 claims description 3
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 3
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 235000011181 potassium carbonates Nutrition 0.000 claims description 3
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 3
- PHZLMBHDXVLRIX-UHFFFAOYSA-M potassium lactate Chemical compound [K+].CC(O)C([O-])=O PHZLMBHDXVLRIX-UHFFFAOYSA-M 0.000 claims description 3
- 239000001521 potassium lactate Substances 0.000 claims description 3
- 235000011085 potassium lactate Nutrition 0.000 claims description 3
- 229960001304 potassium lactate Drugs 0.000 claims description 3
- 239000001415 potassium malate Substances 0.000 claims description 3
- SVICABYXKQIXBM-UHFFFAOYSA-L potassium malate Chemical compound [K+].[K+].[O-]C(=O)C(O)CC([O-])=O SVICABYXKQIXBM-UHFFFAOYSA-L 0.000 claims description 3
- 235000011033 potassium malate Nutrition 0.000 claims description 3
- 235000019265 sodium DL-malate Nutrition 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 229960004249 sodium acetate Drugs 0.000 claims description 3
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 3
- 239000001540 sodium lactate Substances 0.000 claims description 3
- 235000011088 sodium lactate Nutrition 0.000 claims description 3
- 229940005581 sodium lactate Drugs 0.000 claims description 3
- 239000001394 sodium malate Substances 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 claims description 3
- 229910000404 tripotassium phosphate Inorganic materials 0.000 claims description 3
- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 3
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 3
- 150000001642 boronic acid derivatives Chemical class 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical group [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 125000005587 carbonate group Chemical group 0.000 claims 1
- 230000000855 fungicidal effect Effects 0.000 claims 1
- 239000000417 fungicide Substances 0.000 claims 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 claims 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract description 59
- 239000004155 Chlorine dioxide Substances 0.000 abstract description 30
- 235000019398 chlorine dioxide Nutrition 0.000 abstract description 30
- 239000000243 solution Substances 0.000 abstract description 19
- 235000013305 food Nutrition 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 6
- 235000005985 organic acids Nutrition 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 19
- 238000005259 measurement Methods 0.000 description 15
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 13
- 229960002218 sodium chlorite Drugs 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 229910001868 water Inorganic materials 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- 230000001954 sterilising effect Effects 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 5
- 229910001902 chlorine oxide Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000007853 buffer solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000019647 acidic taste Nutrition 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Chemical compound ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 3
- QBWCMBCROVPCKQ-UHFFFAOYSA-M chlorite Chemical compound [O-]Cl=O QBWCMBCROVPCKQ-UHFFFAOYSA-M 0.000 description 3
- 229940005993 chlorite ion Drugs 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical class Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000021472 generally recognized as safe Nutrition 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 238000002211 ultraviolet spectrum Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 238000009631 Broth culture Methods 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 238000011111 UV-scan method Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012867 bioactive agent Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 125000005586 carbonic acid group Chemical group 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000009145 protein modification Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/08—Alkali metal chlorides; Alkaline earth metal chlorides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/14—Boron; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/26—Phosphorus; Compounds thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
- A23L3/3463—Organic compounds; Microorganisms; Enzymes
- A23L3/3481—Organic compounds containing oxygen
- A23L3/3508—Organic compounds containing oxygen containing carboxyl groups
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
- A23L3/358—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/08—Chlorous acid
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Definitions
- the present invention relates to a method for producing an aqueous solution containing chlorous acid used for sterilization and disinfection of food and related equipment in a pretreatment stage of food processing.
- Chlorine oxides chlorine, hypochlorous acid, chlorous acid, chlorine dioxide, etc.
- trihalomethane a carcinogenic substance, is produced when chlorine and hypochlorous acid react with organic compounds.
- Patent Document 1 United States Patent No. 6, 524, 624
- chlorous acid which is the main component of the acidified chlorite solution (ASC)
- ASC acidified chlorite solution
- the present invention has been made in view of the above-mentioned drawbacks, and the object thereof is to stabilize the aqueous solution containing chlorous acid for a long period of time, thereby facilitating handling and generating chlorine dioxide. It is intended to provide a food processing pretreatment disinfectant that is safe for the human body and excellent in disinfecting power.
- the first feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is that the pH value of the aqueous solution is 2 in the aqueous sodium chlorate solution.
- the amount and concentration of sulfuric acid that can be maintained within 3 to 3.4 or an aqueous solution thereof is added and reacted to generate chloric acid, and then the chloric acid is equivalent to the amount required for the reduction reaction. Or adding more hydrogen peroxide to produce chlorous acid.
- the second feature of the method for producing an aqueous solution containing chlorous acid used as a bactericide according to the present invention is that the aqueous sodium chlorate solution has a pH value of 2.3 to 3.4.
- the third feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is that the aqueous sodium chlorate solution has a pH value of 2.3 to 3.4.
- sulfuric acid or an aqueous solution thereof in an amount and concentration that can be maintained in the reaction, chloric acid is generated, and then the chloric acid is equivalent to or necessary for the reduction reaction.
- To the aqueous solution in which chlorous acid was generated by adding a larger amount of hydrogen peroxide either an inorganic acid, an inorganic acid salt, an organic acid, or an organic acid salt alone, or two or more kinds of simple acids or these were added.
- the combined use is to adjust the pH value within the range of 3.2 forces, etc. 7.0.
- the fourth feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is that the pH value of the aqueous solution is changed from 2.3 to 3. Within 4 Then, chloric acid is generated by reacting with an amount and concentration of sulfuric acid or its aqueous solution that can be maintained at the same level, and then the chloric acid is equivalent to or more than the amount required for the reduction reaction.
- the fifth feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention includes chlorous acid in any one of the second to fourth features.
- the inorganic acid in the method for producing an aqueous solution is that it is carbonic acid, phosphoric acid, boric acid or sulfuric acid.
- the sixth feature of the method for producing an aqueous solution containing chlorous acid used as a bactericide according to the present invention is that any one of the second to fifth features, the chlorous acid in the first feature
- the inorganic acid salt in the method for producing an aqueous solution containing selenium is a carbonate, hydroxide, phosphate or borate.
- a seventh feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is the carbonate in the method for producing an aqueous solution containing chlorous acid in the sixth feature.
- Sodium carbonate, potassium carbonate, sodium bicarbonate or potassium bicarbonate is the carbonate in the method for producing an aqueous solution containing chlorous acid in the sixth feature.
- an eighth feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is the water in the method for producing an aqueous solution containing chlorous acid in the sixth or seventh feature.
- the ninth feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is that any of the sixth to eighth forces, the chlorous acid in the first feature is used.
- the phosphate in the method for producing the aqueous solution is to be disodium hydrogen phosphate, sodium dihydrogen phosphate, trisodium phosphate, tripotassium phosphate, dipotassium hydrogen phosphate or potassium dihydrogen phosphate.
- a tenth feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is an aqueous solution containing chlorous acid according to any one of the sixth to ninth features.
- the borate power in the manufacturing method is to be sodium borate or potassium borate
- the eleventh feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention is the water containing chlorous acid according to any one of the third to tenth features, and the first feature.
- the organic acid in the solution production method is to use succinic acid, succinic acid, malic acid, acetic acid or lactic acid.
- a twelfth feature of the method for producing an aqueous solution containing chlorous acid used as a disinfectant according to the present invention includes chlorous acid according to any one of the third to eleventh features.
- the organic acid salt in the production method of the aqueous solution is sodium succinate, potassium succinate, sodium citrate, potassium citrate, sodium malate, potassium malate, sodium acetate, potassium acetate, sodium lactate, potassium lactate or Being calcium lactate.
- chlorous acid having a high sterilizing power is maintained for a long time, it is not necessary to perform an adjusting operation immediately before use, and storage is possible.
- an aqueous solution containing chlorous acid produced in advance in the acidic region can be sufficiently distributed as a product.
- FIG. 1 shows the measurement results of the sample A on the date of sample preparation using a spectrophotometer.
- FIG. 3 Spectra photometric measurement result of sample A on the 20th day from the date of sample preparation.
- FIG. 4 Shows the results of spectrophotometer measurement of sample A on the 30th day from the date of sample preparation.
- FIG. 5 This shows the measurement results of sample B on the date of sample preparation using a spectrophotometer.
- FIG. 6 The measurement result of spectrophotometer of sample B on the 10th day from the date of sample preparation.
- FIG. 7 A spectrophotometer measurement result of sample B on the 20th day from the date of sample preparation.
- FIG. 8 Shows the results of spectrophotometer measurement of sample B on the 30th day from the date of sample preparation.
- FIG. 9 shows the measurement result of the sample C on the date of sample preparation using a spectrophotometer.
- FIG. 10 Shows the results of spectrophotometer measurement of sample C 1 hour after sample preparation.
- FIG. 11 A spectrophotometer measurement result of sample c one day after sample preparation.
- FIG. 12 Measures the result of spectrophotometer measurement of sample C on the fifth day from the date of sample preparation.
- FIG. 13 shows the measurement results of specimen D on the day of specimen preparation using a spectrophotometer.
- FIG. 14 The measurement result of the sample D on the 10th day from the sample creation date by the spectrophotometer is shown.
- FIG. 15 Shows the measurement result of spectrophotometer of sample D on the 20th day from the date of sample preparation.
- FIG. 16 Shows the results of spectrophotometer measurement of sample D on the 30th day from the date of sample preparation.
- FIG. 17 is a graph comparing changes in days of pH between an aqueous solution containing chlorous acid according to Examples 2, 3 and 4 and ASC as a conventional example.
- Example 1 of the present invention is the production of an aqueous solution containing chlorous acid (HCIO) used as a disinfectant.
- HCIO chlorous acid
- the pH value of the aqueous sodium chlorate (NaCIO) solution can be maintained within 2-3 ⁇ 3.4.
- the generated chlorous acid has a plurality of chlorous acid molecules separated from each other.
- Chloric acid can be maintained stably.
- Example 2 Example 3, and Example 4, this is necessary. Show.
- Example 2 contains chlorous acid (HCIO) obtained by the method of Example 1 above.
- An inorganic acid or an inorganic acid salt, specifically, carbonate or hydroxide is added alone or in combination of two or more or a combination thereof.
- Example 3 the aqueous solution produced in Example 2 contains an inorganic acid, an inorganic acid salt, an organic acid, or an organic acid salt alone or in combination of two or more, or a combination thereof. It is something to add.
- Example 4 the aqueous solution produced in Example 1 is obtained by using an inorganic acid, an inorganic acid salt, an organic acid, or an organic acid salt alone or in combination of two or more, or a combination thereof. To add.
- Examples of the inorganic acid include carbonic acid, phosphoric acid, boric acid, and sulfuric acid.
- inorganic acid salts include carbonates and hydroxides, as well as phosphates and borates. More specifically, carbonates include sodium carbonate, potassium carbonate, sodium bicarbonate, Potassium bicarbonate and hydroxide are sodium hydroxide and potassium hydroxide. Phosphate is ninatrihydrogen phosphate, sodium dihydrogen phosphate, trisodium phosphate, tripotassium phosphate, dipotassium hydrogen phosphate, dihydrogen phosphate. As potassium and borate, sodium borate and potassium borate may be used.
- organic acid examples include succinic acid, succinic acid, malic acid, acetic acid, and lactic acid.
- organic acid salts sodium succinate, potassium succinate, sodium succinate, potassium succinate, sodium malate, potassium malate, sodium acetate, potassium acetate, sodium lactate, potassium lactate or calcium lactate are suitable. ing.
- Transition states such as O ⁇ K CIO and H + + C10— H— CIO are created.
- chlorous acid HCIO
- chlorine dioxide CIO
- Chlorite (HCIO) is maintained for a long time and chlorite (CIO) is less generated
- Bactericidal efficacy of sodium chlorite a bioactive agent, lactic acid
- an aqueous solution of sodium chlorite having a pH of 7.0 or higher has the ability to sterilize coli. ⁇ It was sterilized in 2.5 minutes by adjusting to 0 or less, 10 minutes when adjusted to 5.0, and 15 minutes when adjusted to 6.0. Therefore, the bactericidal efficacy of aqueous sodium chlorite solution increases as the pH becomes acidic. In addition, there is no significant difference in the bactericidal efficacy of sodium chlorite due to the difference in active agent.
- the aqueous solution of chlorite increases the sterilizing power as the acidity increases.
- the ⁇ value is two strong acidities
- the protein modification of the target foods may occur during sterilization. Since it will cause adverse effects, the range of use in the food industry will be limited.
- the above chemical formula 2 represents the decomposition of chlorite in an acidic solution.
- the decomposition rate at pH of an aqueous solution of chlorite is lower, that is, the acid is stronger.
- the decomposition rate of the chlorite aqueous solution increases. That is, the reaction (a) (b) (c
- reaction (a) occupies a force S that decreases with decreasing pH, and the total decomposition rate fluctuates greatly, that is, increases.
- the amount of element 2) also increases with decreasing pH. For this reason, the lower the pH value, Bacteria can be bleached quickly, but work can be difficult due to irritating and harmful CIO gas.
- the pH value When adding an organic acid salt, the pH value should be adjusted within the range of 3.2 to 7.0 from the viewpoint of the suppression of chlorine dioxide generation and the balance with bactericidal activity. However, if there is no problem in sterilizing power, it is desirable to set the pH value as high as possible within the above range. As a result, the progress to sodium chlorite (NaCIO) can be delayed and chlorite (HCIO) can be
- the chlorous acid obtained according to Example 1 was put into a 0.05 mol / l sodium borate / succinic acid (pH 6.8) buffer solution to obtain a final pH of 5.7, and chlorite was contained. The amount was 3%. That is, an aqueous solution containing chlorous acid combined with an inorganic acid salt and an organic acid salt was added as a buffer solution (corresponding to Example 4).
- the UV spectrum was measured with a spectrophotometer that was prepared by diluting the specimen with ion-exchanged water as appropriate and adjusting the absorbance to the level of the absorbance at the maximum absorption wavelength. Further, the content was measured by the following odode titration method. In other words, the sample is air-laminated in a gas cleaning container to remove the chlorine dioxide gas of this product, and then approximately 10 g of this product is accurately weighed and water is added to make exactly 100 ml. To do. A sample equivalent to about 0.06 g of chlorous acid (HCIO)
- Example 3 addition of inorganic acid salt + organic acid or organic acid salt
- Example 4 organic acid or organic acid salt
- Table 4 shows changes in the content of chlorous acid!
- the content of Specimen C which is an ASC, halved in 2 hours after preparation, and almost no chlorite disappeared on the 4th day.
- Samples A, B, and D contain a large amount of chlorous acid even after 30 days. Therefore, the aqueous solution containing chlorous acid produced by the present invention has an advantage in maintaining chlorous acid for a long time compared with the conventional example! / .
- the upper part indicates the UV scan Bae spectrum, and the lower shows the content of HC10 2 (%).
- FIG. 17 shows changes in pH values of specimens A, B, C, and D over time.
- Specimen B had a tendency to adjust to pH 5.7 immediately after preparation, once the pH increased to 6 units, and then tended to decrease.
- Specimen A maintains its state even after 30 days of ⁇ 5 ⁇ 8 on Day 0 and exhibits buffering power.
- Specimen D also maintains its state even after 30 days of ⁇ 5 ⁇ 7 on Day 0, and it shows its buffering power. Based on the above, the power to directly apply a buffer, or the ability to stabilize the pH more by adding another buffer after adjusting the pH once with sodium carbonate. Show me! /
- the aqueous solution obtained by simply acidifying the sodium chlorite aqueous solution by ASC is a chlorite solution by rapid acceleration of the reaction to chlorine dioxide (CIO).
- the HCIO state has existed for a long time, and this is the molecular and ionic buffer in the aqueous chlorite solution.
- the chlorous acid content can be maintained to maintain the lance. Admitted.
- the present invention can be said to be an extremely superior method that has not been achieved in the past.
- chlorous acid having a high sterilizing power can be stabilized for a long period of time. This makes it possible to place chlorous acid useful as a disinfectant in society.
- the aqueous solution containing chlorous acid obtained by the present invention can be used for applications such as a bleaching agent and a blood-detergent in addition to a bactericidal agent.
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Description
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Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
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EP13002826.9A EP2633757B1 (en) | 2006-08-28 | 2007-08-28 | Aqueous chlorous acid solution for use as disinfectant |
EP21161596.8A EP3854211B1 (en) | 2006-08-28 | 2007-08-28 | Aqueous chlorous acid solution for use as disinfectant |
JP2008532081A JP5201555B2 (ja) | 2006-08-28 | 2007-08-28 | 殺菌剤として使用する亜塩素酸を含む水溶液の製造方法 |
CN2007800322145A CN101511192B (zh) | 2006-08-28 | 2007-08-28 | 作为杀菌剂使用的含亚氯酸的水溶液的制造方法 |
CA2662288A CA2662288C (en) | 2006-08-28 | 2007-08-28 | Process for producing aqueous chlorous acid solution for use as a disinfectant |
NZ575871A NZ575871A (en) | 2006-08-28 | 2007-08-28 | Process for producing aqueous chlorous acid solution for use as disinfectant |
ES07806168.6T ES2583988T3 (es) | 2006-08-28 | 2007-08-28 | Procedimiento para producir una solución acuosa de ácido cloroso para uso como bactericida |
EP07806168.6A EP2062477B1 (en) | 2006-08-28 | 2007-08-28 | Process for producing aqueous chlorous acid solution for use as bactericide |
AU2007289722A AU2007289722B2 (en) | 2006-08-28 | 2007-08-28 | Process for producing aqueous chlorous acid solution for use as bactericide |
US12/439,226 US8951576B2 (en) | 2006-08-28 | 2007-08-28 | Process for producing aqueous chlorous acid solution for use as disinfectant |
IL197328A IL197328A (en) | 2006-08-28 | 2009-02-26 | A process for making a solution of aqueous chloric acid for use as a bactericide |
HK10101515.2A HK1134220A1 (en) | 2006-08-28 | 2010-02-10 | Process for producing aqueous chlorous acid solution for use as bactericide |
US13/862,879 US20130302438A1 (en) | 2006-08-28 | 2013-04-15 | Aqueous chlorous acid solution for use as disinfectant |
IL226395A IL226395A (en) | 2006-08-28 | 2013-05-16 | A solution of aqueous chlorine for use as a bactericide |
US14/563,564 US9516878B2 (en) | 2006-08-28 | 2014-12-08 | Aqueous chlorous acid solution for use as disinfectant |
US14/800,870 US9521841B2 (en) | 2006-08-28 | 2015-07-16 | Aqueous chlorous acid solution for use as disinfectant |
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JP2006-231280 | 2006-08-28 |
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US13/862,879 Division US20130302438A1 (en) | 2006-08-28 | 2013-04-15 | Aqueous chlorous acid solution for use as disinfectant |
US13/862,879 Continuation US20130302438A1 (en) | 2006-08-28 | 2013-04-15 | Aqueous chlorous acid solution for use as disinfectant |
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US (4) | US8951576B2 (ja) |
EP (4) | EP2062477B1 (ja) |
JP (7) | JP5201555B2 (ja) |
KR (1) | KR101098782B1 (ja) |
CN (2) | CN103314996B (ja) |
AU (1) | AU2007289722B2 (ja) |
CA (1) | CA2662288C (ja) |
ES (2) | ES2878065T3 (ja) |
HK (1) | HK1134220A1 (ja) |
IL (2) | IL197328A (ja) |
NZ (1) | NZ575871A (ja) |
WO (1) | WO2008026607A1 (ja) |
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