JPS5946249B2 - 不溶性エ−テル化セルロ−スグラフト共重合体の製法 - Google Patents
不溶性エ−テル化セルロ−スグラフト共重合体の製法Info
- Publication number
- JPS5946249B2 JPS5946249B2 JP50072099A JP7209975A JPS5946249B2 JP S5946249 B2 JPS5946249 B2 JP S5946249B2 JP 50072099 A JP50072099 A JP 50072099A JP 7209975 A JP7209975 A JP 7209975A JP S5946249 B2 JPS5946249 B2 JP S5946249B2
- Authority
- JP
- Japan
- Prior art keywords
- cellulose
- grafted
- ether
- grafting
- insoluble
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920002678 cellulose Polymers 0.000 title claims description 41
- 239000001913 cellulose Substances 0.000 title claims description 40
- 229920000578 graft copolymer Polymers 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 16
- 229920001577 copolymer Polymers 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 14
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 13
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 9
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 9
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 9
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 8
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 6
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 6
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000006467 substitution reaction Methods 0.000 claims description 4
- 150000003839 salts Chemical group 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 37
- 229920003086 cellulose ether Polymers 0.000 description 25
- 239000000047 product Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- -1 etc. Substances 0.000 description 16
- 230000014759 maintenance of location Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000002250 absorbent Substances 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052783 alkali metal Inorganic materials 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 239000003999 initiator Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 229920003043 Cellulose fiber Polymers 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000006266 etherification reaction Methods 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 210000001124 body fluid Anatomy 0.000 description 5
- 125000001033 ether group Chemical group 0.000 description 5
- 150000002170 ethers Chemical class 0.000 description 5
- 229920001519 homopolymer Polymers 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 239000012736 aqueous medium Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001477 hydrophilic polymer Polymers 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229920001600 hydrophobic polymer Polymers 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 229920002785 Croscarmellose sodium Polymers 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 235000005018 Pinus echinata Nutrition 0.000 description 2
- 241001236219 Pinus echinata Species 0.000 description 2
- 235000017339 Pinus palustris Nutrition 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 230000002175 menstrual effect Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005211 alkyl trimethyl ammonium group Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical compound [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000001767 crosslinked sodium carboxy methyl cellulose Substances 0.000 description 1
- 235000010947 crosslinked sodium carboxy methyl cellulose Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- KJYQVRBDBPBZTD-UHFFFAOYSA-N methanol;nitric acid Chemical compound OC.O[N+]([O-])=O KJYQVRBDBPBZTD-UHFFFAOYSA-N 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 235000021251 pulses Nutrition 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
- C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Graft Or Block Polymers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58100375A | 1975-05-27 | 1975-05-27 | |
| US581003 | 1975-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51144476A JPS51144476A (en) | 1976-12-11 |
| JPS5946249B2 true JPS5946249B2 (ja) | 1984-11-12 |
Family
ID=24323505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50072099A Expired JPS5946249B2 (ja) | 1975-05-27 | 1975-06-16 | 不溶性エ−テル化セルロ−スグラフト共重合体の製法 |
Country Status (20)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU798118A1 (ru) * | 1978-02-14 | 1981-01-23 | Московский Ордена Трудовогокрасного Знамени Текстильныйинститут | Способ получени привитыхСОпОлиМЕРОВ цЕллюлОзы |
| US4748076A (en) * | 1985-02-16 | 1988-05-31 | Hayashikane Shipbuilding & Engineering Co., Ltd. | Water absorbent fibrous product and a method of producing the same |
| ZA92308B (en) | 1991-09-11 | 1992-10-28 | Kimberly Clark Co | Thin absorbent article having rapid uptake of liquid |
| US5346339A (en) * | 1993-06-16 | 1994-09-13 | Halliburton Company | Pipeline cleaning process |
| US5549791A (en) * | 1994-06-15 | 1996-08-27 | The Procter & Gamble Company | Individualized cellulosic fibers crosslinked with polyacrylic acid polymers |
| US9144625B2 (en) | 2008-11-27 | 2015-09-29 | Speciality Fibres And Materials Ltd. | Cellulose ethylsulfonate-based absorbent material |
| US9221963B2 (en) | 2008-11-27 | 2015-12-29 | Speciality Fibres And Materials Ltd. | Absorbent material |
| CN103194899A (zh) * | 2013-04-28 | 2013-07-10 | 北京康安高分子开发中心 | 由复合纤维构造的纤维海绵 |
| BE1026186B1 (nl) * | 2018-09-07 | 2019-10-30 | RDS Group bvba | Een isolerende en waterbestendige mortel |
-
1975
- 1975-06-09 IE IE1292/75A patent/IE42120B1/en unknown
- 1975-06-09 CA CA228,866A patent/CA1045127A/en not_active Expired
- 1975-06-10 ZA ZA3734A patent/ZA753734B/xx unknown
- 1975-06-12 IN IN1162/CAL/75A patent/IN144572B/en unknown
- 1975-06-13 MX MX158971A patent/MX143981A/es unknown
- 1975-06-13 SE SE7506805A patent/SE7506805L/xx unknown
- 1975-06-13 HU HU75PE00000960A patent/HU172864B/hu unknown
- 1975-06-13 DE DE19752526501 patent/DE2526501A1/de not_active Withdrawn
- 1975-06-14 RO RO7582549A patent/RO66242A/ro unknown
- 1975-06-16 NL NL7507164A patent/NL7507164A/xx not_active Application Discontinuation
- 1975-06-16 AT AT457875A patent/AT353743B/de not_active IP Right Cessation
- 1975-06-16 LU LU72746A patent/LU72746A1/xx unknown
- 1975-06-16 JP JP50072099A patent/JPS5946249B2/ja not_active Expired
- 1975-06-16 BE BE157371A patent/BE830289R/xx not_active IP Right Cessation
- 1975-06-17 FR FR7518902A patent/FR2312517A2/fr active Granted
- 1975-06-17 BR BR3803/75A patent/BR7503803A/pt unknown
- 1975-06-17 GB GB25844/75A patent/GB1503198A/en not_active Expired
- 1975-06-17 ES ES438650A patent/ES438650A1/es not_active Expired
- 1975-06-23 DD DD186834A patent/DD125923A5/xx unknown
- 1975-07-29 AR AR259795A patent/AR225720A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1045127A (en) | 1978-12-26 |
| AR225720A1 (es) | 1982-04-30 |
| IE42120B1 (en) | 1980-06-04 |
| BR7503803A (pt) | 1976-12-07 |
| IE42120L (en) | 1976-11-27 |
| LU72746A1 (enrdf_load_html_response) | 1975-10-08 |
| FR2312517A2 (fr) | 1976-12-24 |
| DE2526501A1 (de) | 1976-12-16 |
| GB1503198A (en) | 1978-03-08 |
| IN144572B (enrdf_load_html_response) | 1978-05-20 |
| NL7507164A (nl) | 1976-11-30 |
| MX143981A (es) | 1981-08-18 |
| AT353743B (de) | 1979-11-26 |
| ES438650A1 (es) | 1977-07-01 |
| BE830289R (fr) | 1975-12-16 |
| SE7506805L (sv) | 1976-11-28 |
| JPS51144476A (en) | 1976-12-11 |
| ZA753734B (en) | 1977-01-26 |
| FR2312517B2 (enrdf_load_html_response) | 1980-04-25 |
| HU172864B (hu) | 1978-12-28 |
| RO66242A (ro) | 1980-03-15 |
| DD125923A5 (enrdf_load_html_response) | 1977-06-01 |
| ATA457875A (de) | 1979-05-15 |
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