DE2256238C3 - Verfahren zur Herstellung von Acrylamid bzw. Methacrylamid - Google Patents
Verfahren zur Herstellung von Acrylamid bzw. MethacrylamidInfo
- Publication number
- DE2256238C3 DE2256238C3 DE2256238A DE2256238A DE2256238C3 DE 2256238 C3 DE2256238 C3 DE 2256238C3 DE 2256238 A DE2256238 A DE 2256238A DE 2256238 A DE2256238 A DE 2256238A DE 2256238 C3 DE2256238 C3 DE 2256238C3
- Authority
- DE
- Germany
- Prior art keywords
- copper
- catalyst
- compound
- alkali
- solution
- 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
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 title claims description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 97
- 239000003054 catalyst Substances 0.000 claims description 50
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 239000003513 alkali Substances 0.000 claims description 34
- 239000010949 copper Substances 0.000 claims description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 29
- 239000005749 Copper compound Substances 0.000 claims description 27
- 239000011651 chromium Substances 0.000 claims description 27
- 150000001880 copper compounds Chemical class 0.000 claims description 27
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000006703 hydration reaction Methods 0.000 claims description 18
- 230000036571 hydration Effects 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 150000002825 nitriles Chemical class 0.000 claims description 10
- 239000012736 aqueous medium Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 150000003377 silicon compounds Chemical class 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 38
- 229910001868 water Inorganic materials 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 33
- 239000000243 solution Substances 0.000 description 28
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 26
- 150000001879 copper Chemical class 0.000 description 16
- 239000012266 salt solution Substances 0.000 description 15
- 238000006722 reduction reaction Methods 0.000 description 13
- 150000001408 amides Chemical class 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 9
- 239000011734 sodium Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 5
- 239000005751 Copper oxide Substances 0.000 description 5
- 150000001845 chromium compounds Chemical class 0.000 description 5
- 229910000431 copper oxide Inorganic materials 0.000 description 5
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical class [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- 241000530268 Lycaena heteronea Species 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- -1 inorganic acid salt Chemical class 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- WSGYTJNNHPZFKR-UHFFFAOYSA-N 3-hydroxypropanenitrile Chemical compound OCCC#N WSGYTJNNHPZFKR-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- YEOCHZFPBYUXMC-UHFFFAOYSA-L copper benzoate Chemical compound [Cu+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 YEOCHZFPBYUXMC-UHFFFAOYSA-L 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 2
- 235000019254 sodium formate Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 101150044345 0.5 gene Proteins 0.000 description 1
- HVYCFSVLFUNHTC-UHFFFAOYSA-N 2-methylprop-2-enenitrile hydrate Chemical class O.C(C(=C)C)#N HVYCFSVLFUNHTC-UHFFFAOYSA-N 0.000 description 1
- ALRHLSYJTWAHJZ-UHFFFAOYSA-N 3-hydroxypropionic acid Chemical compound OCCC(O)=O ALRHLSYJTWAHJZ-UHFFFAOYSA-N 0.000 description 1
- JIGUICYYOYEXFS-UHFFFAOYSA-N 3-tert-butylbenzene-1,2-diol Chemical class CC(C)(C)C1=CC=CC(O)=C1O JIGUICYYOYEXFS-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 239000005750 Copper hydroxide Substances 0.000 description 1
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 1
- 229910017813 Cu—Cr Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 101150003085 Pdcl gene Proteins 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- 229910010165 TiCu Inorganic materials 0.000 description 1
- 101150046432 Tril gene Proteins 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- AHCWRBUIIPCEBC-UHFFFAOYSA-N copper phenyl acetate Chemical compound [Cu+2].CC(=O)OC1=CC=CC=C1 AHCWRBUIIPCEBC-UHFFFAOYSA-N 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 1
- HFDWIMBEIXDNQS-UHFFFAOYSA-L copper;diformate Chemical compound [Cu+2].[O-]C=O.[O-]C=O HFDWIMBEIXDNQS-UHFFFAOYSA-L 0.000 description 1
- CAMXOLUXKJMDSB-UHFFFAOYSA-L copper;naphthalene-1-carboxylate Chemical compound [Cu+2].C1=CC=C2C(C(=O)[O-])=CC=CC2=C1.C1=CC=C2C(C(=O)[O-])=CC=CC2=C1 CAMXOLUXKJMDSB-UHFFFAOYSA-L 0.000 description 1
- QYCVHILLJSYYBD-UHFFFAOYSA-L copper;oxalate Chemical compound [Cu+2].[O-]C(=O)C([O-])=O QYCVHILLJSYYBD-UHFFFAOYSA-L 0.000 description 1
- 101150044757 danr gene Proteins 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- SGLDQLCVBBVVAJ-UHFFFAOYSA-N prop-2-enamide;sulfuric acid Chemical compound NC(=O)C=C.OS(O)(=O)=O SGLDQLCVBBVVAJ-UHFFFAOYSA-N 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8946—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali or alkaline earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9284071A JPS5536658B2 (cg-RX-API-DMAC7.html) | 1971-11-19 | 1971-11-19 | |
| JP4117272A JPS5710098B2 (cg-RX-API-DMAC7.html) | 1972-04-24 | 1972-04-24 | |
| JP8764172A JPS5414090B2 (cg-RX-API-DMAC7.html) | 1972-09-01 | 1972-09-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2256238A1 DE2256238A1 (de) | 1973-05-24 |
| DE2256238B2 DE2256238B2 (de) | 1977-09-08 |
| DE2256238C3 true DE2256238C3 (de) | 1978-05-11 |
Family
ID=27290738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2256238A Expired DE2256238C3 (de) | 1971-11-19 | 1972-11-16 | Verfahren zur Herstellung von Acrylamid bzw. Methacrylamid |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3939205A (cg-RX-API-DMAC7.html) |
| AU (1) | AU475486B2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2256238C3 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2161699A5 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1417026A (cg-RX-API-DMAC7.html) |
| NL (1) | NL172443C (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250111A (en) | 1976-07-12 | 1981-02-10 | Nalco Chemical Company | Mixed catalyst for the hydrolysis of nitriles to amides |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1006180A (en) * | 1973-10-19 | 1977-03-01 | Nalco Chemical Company | Method of producing acrylamide with a raney copper catalyst |
| US4040980A (en) * | 1975-11-28 | 1977-08-09 | American Cyanamid Company | Reduced copper catalyst on support |
| US4048114A (en) * | 1976-10-26 | 1977-09-13 | American Cyanamid Company | Method of making copper catalyst on a support |
| US4365091A (en) * | 1980-11-06 | 1982-12-21 | Sumitomo Chemical Company, Limited | Method for the production of acrylamide |
| CA1195678A (en) * | 1981-12-21 | 1985-10-22 | Frederick A. Pesa | Upgrading synthesis gas |
| US4654321A (en) * | 1981-12-21 | 1987-03-31 | The Standard Oil Company | Upgrading synthesis gas catalyst |
| BR8306403A (pt) * | 1983-11-17 | 1985-06-25 | Rhodia | Processo tipo batelada para a obtencao de solucoes aquosas de monomero de acrilamida a 50% em peso,a partir de misturas acrilonitrila/agua |
| JP2990568B2 (ja) * | 1993-12-13 | 1999-12-13 | 花王株式会社 | 銅含有水素化触媒の調製法およびアルコールの製造法 |
| US5488024A (en) * | 1994-07-01 | 1996-01-30 | Phillips Petroleum Company | Selective acetylene hydrogenation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767706A (en) * | 1969-01-16 | 1973-10-23 | Dow Chemical Co | Hydration of aliphatic nitriles to amides using copper metal catalysts |
-
1972
- 1972-11-13 AU AU48783/72A patent/AU475486B2/en not_active Expired
- 1972-11-16 DE DE2256238A patent/DE2256238C3/de not_active Expired
- 1972-11-17 US US05/307,622 patent/US3939205A/en not_active Expired - Lifetime
- 1972-11-17 FR FR7240948A patent/FR2161699A5/fr not_active Expired
- 1972-11-20 NL NLAANVRAGE7215661,A patent/NL172443C/xx not_active IP Right Cessation
- 1972-11-20 GB GB5357272A patent/GB1417026A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250111A (en) | 1976-07-12 | 1981-02-10 | Nalco Chemical Company | Mixed catalyst for the hydrolysis of nitriles to amides |
Also Published As
| Publication number | Publication date |
|---|---|
| AU475486B2 (en) | 1976-08-26 |
| GB1417026A (en) | 1975-12-10 |
| US3939205A (en) | 1976-02-17 |
| DE2256238B2 (de) | 1977-09-08 |
| NL7215661A (cg-RX-API-DMAC7.html) | 1973-05-22 |
| FR2161699A5 (cg-RX-API-DMAC7.html) | 1973-07-06 |
| NL172443B (nl) | 1983-04-05 |
| NL172443C (nl) | 1983-09-01 |
| DE2256238A1 (de) | 1973-05-24 |
| AU4878372A (en) | 1974-05-16 |
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