DE2737259A1 - N-carboxyalkan-aminoalkan-diphosphonsaeuren, n-carboxyalkan-azacycloalkan-diphosphonsaeuren und n-carboxyalkan-aminoarylalkan-diphosphonsaeuren sowie verfahren zu ihrer herstellung - Google Patents
N-carboxyalkan-aminoalkan-diphosphonsaeuren, n-carboxyalkan-azacycloalkan-diphosphonsaeuren und n-carboxyalkan-aminoarylalkan-diphosphonsaeuren sowie verfahren zu ihrer herstellungInfo
- Publication number
- DE2737259A1 DE2737259A1 DE19772737259 DE2737259A DE2737259A1 DE 2737259 A1 DE2737259 A1 DE 2737259A1 DE 19772737259 DE19772737259 DE 19772737259 DE 2737259 A DE2737259 A DE 2737259A DE 2737259 A1 DE2737259 A1 DE 2737259A1
- Authority
- DE
- Germany
- Prior art keywords
- carboxyalkane
- acids
- acid
- neckar
- ladenburg
- 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.)
- Withdrawn
Links
- 239000002253 acid Substances 0.000 title claims description 44
- 150000007513 acids Chemical class 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 9
- 230000008569 process Effects 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title description 3
- -1 haloalkane monocarboxylic acids Chemical class 0.000 claims description 6
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 5
- 238000007363 ring formation reaction Methods 0.000 claims description 5
- 150000003976 azacycloalkanes Chemical class 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 101150103023 ddo-2 gene Proteins 0.000 claims 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 229910052697 platinum Inorganic materials 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 150000003977 halocarboxylic acids Chemical class 0.000 description 4
- QEYMMOKECZBKAC-UHFFFAOYSA-N 3-chloropropanoic acid Chemical compound OC(=O)CCCl QEYMMOKECZBKAC-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 150000003009 phosphonic acids Chemical class 0.000 description 3
- IUDGNRWYNOEIKF-UHFFFAOYSA-N 11-bromo-undecanoic acid Chemical compound OC(=O)CCCCCCCCCCBr IUDGNRWYNOEIKF-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- QQWGVQWAEANRTK-UHFFFAOYSA-N bromosuccinic acid Chemical compound OC(=O)CC(Br)C(O)=O QQWGVQWAEANRTK-UHFFFAOYSA-N 0.000 description 2
- 230000021523 carboxylation Effects 0.000 description 2
- 238000006473 carboxylation reaction Methods 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- PTMHPRAIXMAOOB-UHFFFAOYSA-N phosphoramidic acid Chemical compound NP(O)(O)=O PTMHPRAIXMAOOB-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GPCTYPSWRBUGFH-UHFFFAOYSA-N (1-amino-1-phosphonoethyl)phosphonic acid Chemical compound OP(=O)(O)C(N)(C)P(O)(O)=O GPCTYPSWRBUGFH-UHFFFAOYSA-N 0.000 description 1
- IFJKPUUSPDSXMA-UHFFFAOYSA-N (1-amino-2-phosphonoethyl)phosphonic acid Chemical compound OP(=O)(O)C(N)CP(O)(O)=O IFJKPUUSPDSXMA-UHFFFAOYSA-N 0.000 description 1
- MNDIARAMWBIKFW-UHFFFAOYSA-N 1-bromohexane Chemical compound CCCCCCBr MNDIARAMWBIKFW-UHFFFAOYSA-N 0.000 description 1
- XYJLPCAKKYOLGU-UHFFFAOYSA-N 2-phosphonoethylphosphonic acid Chemical compound OP(O)(=O)CCP(O)(O)=O XYJLPCAKKYOLGU-UHFFFAOYSA-N 0.000 description 1
- NHLCYGSJGDFHEI-UHFFFAOYSA-N C1=CC=C(C=C1)NC(CP(=O)(O)O)P(=O)(O)O Chemical compound C1=CC=C(C=C1)NC(CP(=O)(O)O)P(=O)(O)O NHLCYGSJGDFHEI-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- OCRFGLXFNZWRHX-UHFFFAOYSA-N ClCC(C(=O)O)(C)C.ClCC(C(=O)O)(C)C Chemical compound ClCC(C(=O)O)(C)C.ClCC(C(=O)O)(C)C OCRFGLXFNZWRHX-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 241000940612 Medina Species 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- FRCICXIVPRNPLM-UHFFFAOYSA-N [amino(phosphono)methyl]phosphonic acid Chemical compound OP(=O)(O)C(N)P(O)(O)=O FRCICXIVPRNPLM-UHFFFAOYSA-N 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000005001 aminoaryl group Chemical group 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- XQRLCLUYWUNEEH-UHFFFAOYSA-N diphosphonic acid Chemical compound OP(=O)OP(O)=O XQRLCLUYWUNEEH-UHFFFAOYSA-N 0.000 description 1
- TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- QABLOFMHHSOFRJ-UHFFFAOYSA-N methyl 2-chloroacetate Chemical compound COC(=O)CCl QABLOFMHHSOFRJ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229940079864 sodium stannate Drugs 0.000 description 1
- HVTHJRMZXBWFNE-UHFFFAOYSA-J sodium zincate Chemical compound [OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Zn+2] HVTHJRMZXBWFNE-UHFFFAOYSA-J 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3839—Polyphosphonic acids
- C07F9/3873—Polyphosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
- G03C5/3053—Tensio-active agents or sequestering agents, e.g. water-softening or wetting agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Detergent Compositions (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772737259 DE2737259A1 (de) | 1977-08-18 | 1977-08-18 | N-carboxyalkan-aminoalkan-diphosphonsaeuren, n-carboxyalkan-azacycloalkan-diphosphonsaeuren und n-carboxyalkan-aminoarylalkan-diphosphonsaeuren sowie verfahren zu ihrer herstellung |
| IT26633/78A IT1098368B (it) | 1977-08-18 | 1978-08-09 | Acidi n-carbossialcan-amminoalcan-difosfonici,acidi n-carbossi-alcanaza-cicloalcan-difosfonici e acidi n-carbossialcan-ammino-arilalcan-difosfonici,e processo per la loro preparazione |
| JP9957578A JPS5470222A (en) | 1977-08-18 | 1978-08-17 | Nncarboxyalkaneephosphoric acids and manufacture |
| DE7878100697T DE2860812D1 (en) | 1977-08-18 | 1978-08-17 | N-carboxyalkane-aminoalkane-diphosphonic acids, n-carboxyalkane-azacycloalkane-diphosphonic acids and n-carboxyalkane-aminoarylkane diphosphonic acids, process for their preparation and their use as sequestering agents |
| EP78100697A EP0000930B1 (fr) | 1977-08-18 | 1978-08-17 | Acides N-carboxyalcane-aminoalcane-diphosphoniques, acides N-carboxyalcane-azacycloalcane diphosphoniques et acides N-carboxyalcane aminoaryle, alcane diphosphoniques, procédé pour leur préparation et leur utilisation comme agents complexants |
| DK364478A DK364478A (da) | 1977-08-18 | 1978-08-17 | N-carboxyalkan-aminoalkan-diphosphonsyrer n-carboxyalkan-azacyclo-alkan-diphosphonsyrer og n-carboxyalkan-aminoarylalkan-diphosphon syrer samt fremgangsmaade til fremstilling deraf |
| CA309,547A CA1106843A (fr) | 1977-08-18 | 1978-08-17 | Procede d'obtention d'acides n-carboxy-alcane- aminoalcane-diphosphoniques, d'acides n-carboxy- alcane-azocydoalcane-diphosphonique et d'acides n- carboxy-alcane-aminoarylalcane-disphosphoniques |
| AT0602778A AT369015B (de) | 1977-08-18 | 1978-08-18 | Verfahren zur herstellung von gegebenenfalls neuen n-carboxyalkan-aminoalkan-diphosphonsaeuren, n-carboxyalkan-azacycloalkandiphosphon-saeuren und n-carboxyalkanaminoarylalkan-diphosphonsaeuren |
| IE1681/78A IE47653B1 (en) | 1977-08-18 | 1978-08-18 | Process for producing n-carboxyalkane-aminoalkane-diphosphonic acids,n-carboxyalkane-azacycloalkane-diphosphonic acids and n-carboxyalkane-aminoarylalkane-diphosphonic acids,and products of that process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772737259 DE2737259A1 (de) | 1977-08-18 | 1977-08-18 | N-carboxyalkan-aminoalkan-diphosphonsaeuren, n-carboxyalkan-azacycloalkan-diphosphonsaeuren und n-carboxyalkan-aminoarylalkan-diphosphonsaeuren sowie verfahren zu ihrer herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2737259A1 true DE2737259A1 (de) | 1979-03-01 |
Family
ID=6016730
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772737259 Withdrawn DE2737259A1 (de) | 1977-08-18 | 1977-08-18 | N-carboxyalkan-aminoalkan-diphosphonsaeuren, n-carboxyalkan-azacycloalkan-diphosphonsaeuren und n-carboxyalkan-aminoarylalkan-diphosphonsaeuren sowie verfahren zu ihrer herstellung |
| DE7878100697T Expired DE2860812D1 (en) | 1977-08-18 | 1978-08-17 | N-carboxyalkane-aminoalkane-diphosphonic acids, n-carboxyalkane-azacycloalkane-diphosphonic acids and n-carboxyalkane-aminoarylkane diphosphonic acids, process for their preparation and their use as sequestering agents |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE7878100697T Expired DE2860812D1 (en) | 1977-08-18 | 1978-08-17 | N-carboxyalkane-aminoalkane-diphosphonic acids, n-carboxyalkane-azacycloalkane-diphosphonic acids and n-carboxyalkane-aminoarylkane diphosphonic acids, process for their preparation and their use as sequestering agents |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0000930B1 (fr) |
| JP (1) | JPS5470222A (fr) |
| AT (1) | AT369015B (fr) |
| CA (1) | CA1106843A (fr) |
| DE (2) | DE2737259A1 (fr) |
| DK (1) | DK364478A (fr) |
| IE (1) | IE47653B1 (fr) |
| IT (1) | IT1098368B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020070543A1 (fr) | 2018-10-03 | 2020-04-09 | Italmatch Chemicals S.P.A. | Procédé de fabrication d'acides aminés de n-alkyl-diphosphonate |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3107673A1 (de) * | 1981-02-28 | 1982-09-16 | Benckiser-Knapsack Gmbh, 6802 Ladenburg | "verfahren zur herstellung von n-(carboxy-alkyl)-1-amino-alkan-1,1-diphosphonsaeuren und deren alkalisalze" |
| US4501667A (en) * | 1983-03-03 | 1985-02-26 | Ciba-Geigy Corporation | Process of inhibiting corrosion of metal surfaces and/or deposition of scale thereon |
| IT1215423B (it) * | 1987-04-13 | 1990-02-08 | Minnesota Mining & Mfg | Composizioni di sviluppo per materiali fotografici agli alogenuri d'argento. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7404705A (fr) * | 1973-04-12 | 1974-10-15 |
-
1977
- 1977-08-18 DE DE19772737259 patent/DE2737259A1/de not_active Withdrawn
-
1978
- 1978-08-09 IT IT26633/78A patent/IT1098368B/it active
- 1978-08-17 CA CA309,547A patent/CA1106843A/fr not_active Expired
- 1978-08-17 DK DK364478A patent/DK364478A/da unknown
- 1978-08-17 JP JP9957578A patent/JPS5470222A/ja active Pending
- 1978-08-17 EP EP78100697A patent/EP0000930B1/fr not_active Expired
- 1978-08-17 DE DE7878100697T patent/DE2860812D1/de not_active Expired
- 1978-08-18 IE IE1681/78A patent/IE47653B1/en unknown
- 1978-08-18 AT AT0602778A patent/AT369015B/de not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020070543A1 (fr) | 2018-10-03 | 2020-04-09 | Italmatch Chemicals S.P.A. | Procédé de fabrication d'acides aminés de n-alkyl-diphosphonate |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1106843A (fr) | 1981-08-11 |
| ATA602778A (de) | 1982-04-15 |
| JPS5470222A (en) | 1979-06-05 |
| IE781681L (en) | 1979-02-18 |
| IT7826633A0 (it) | 1978-08-09 |
| EP0000930A1 (fr) | 1979-03-07 |
| DE2860812D1 (en) | 1981-10-08 |
| EP0000930B1 (fr) | 1981-07-01 |
| IE47653B1 (en) | 1984-05-16 |
| DK364478A (da) | 1979-02-19 |
| AT369015B (de) | 1982-11-25 |
| IT1098368B (it) | 1985-09-07 |
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