IN138900B - - Google Patents
Info
- Publication number
- IN138900B IN138900B IN989/CAL/73A IN989CA1973A IN138900B IN 138900 B IN138900 B IN 138900B IN 989CA1973 A IN989CA1973 A IN 989CA1973A IN 138900 B IN138900 B IN 138900B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22330672A | 1972-02-03 | 1972-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN138900B true IN138900B (en) | 1976-04-10 |
Family
ID=22835938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN989/CAL/73A IN138900B (en) | 1972-02-03 | 1973-04-27 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4881828A (en) |
| BE (1) | BE794910A (en) |
| CA (1) | CA969555A (en) |
| DE (1) | DE2305265A1 (en) |
| FR (1) | FR2169995B1 (en) |
| GB (1) | GB1377333A (en) |
| IN (1) | IN138900B (en) |
| IT (1) | IT978344B (en) |
| NL (1) | NL7301280A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075117A (en) * | 1998-12-21 | 2000-06-13 | E.I. Dupont De Nemours & Company | Process for the hydrolysis of adiponitrile and the production of nylon 6,6 using dicarboxylic acids as the sole catalyst |
| US6103863A (en) * | 1998-12-22 | 2000-08-15 | E. I. Dupont De Nemours & Company | Process for preparation of polyamide from dinitrile and diamine |
| US6084056A (en) * | 1998-12-22 | 2000-07-04 | E. I. Dupont De Nemours & Company | Process for the hydrolysis of adiponitrile and the production of nylon 6,6 utilizing low catalyst levels |
| CN111100022A (en) * | 2019-10-30 | 2020-05-05 | 石家庄市栾城区华英工贸有限责任公司 | Method for preparing carboxylic acid compounds by catalyzing nitrile compounds to hydrolyze with Lewis acid |
-
0
- BE BE794910D patent/BE794910A/en unknown
-
1972
- 1972-11-22 CA CA157,177A patent/CA969555A/en not_active Expired
-
1973
- 1973-01-22 IT IT19449/73A patent/IT978344B/en active
- 1973-01-29 JP JP48011228A patent/JPS4881828A/ja active Pending
- 1973-01-30 NL NL7301280A patent/NL7301280A/xx not_active Application Discontinuation
- 1973-01-30 FR FR7303148A patent/FR2169995B1/fr not_active Expired
- 1973-02-02 DE DE19732305265 patent/DE2305265A1/en active Pending
- 1973-02-02 GB GB524573A patent/GB1377333A/en not_active Expired
- 1973-04-27 IN IN989/CAL/73A patent/IN138900B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2169995A1 (en) | 1973-09-14 |
| BE794910A (en) | 1973-08-02 |
| GB1377333A (en) | 1974-12-11 |
| FR2169995B1 (en) | 1978-12-01 |
| JPS4881828A (en) | 1973-11-01 |
| DE2305265A1 (en) | 1973-08-23 |
| CA969555A (en) | 1975-06-17 |
| IT978344B (en) | 1974-09-20 |
| NL7301280A (en) | 1973-08-07 |