JPS5632975B2 - - Google Patents
Info
- Publication number
- JPS5632975B2 JPS5632975B2 JP8999272A JP8999272A JPS5632975B2 JP S5632975 B2 JPS5632975 B2 JP S5632975B2 JP 8999272 A JP8999272 A JP 8999272A JP 8999272 A JP8999272 A JP 8999272A JP S5632975 B2 JPS5632975 B2 JP S5632975B2
- Authority
- JP
- Japan
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- 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
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 |
|---|---|---|---|
| US00178382A US3833647A (en) | 1971-09-07 | 1971-09-07 | Production of aromatic polycarboxylic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4839456A JPS4839456A (ja) | 1973-06-09 |
| JPS5632975B2 true JPS5632975B2 (ja) | 1981-07-31 |
Family
ID=22652331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8999272A Expired JPS5632975B2 (ja) | 1971-09-07 | 1972-09-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3833647A (ja) |
| JP (1) | JPS5632975B2 (ja) |
| DE (1) | DE2243578A1 (ja) |
| GB (2) | GB1406050A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01194843A (ja) * | 1988-01-29 | 1989-08-04 | Tokyo Electric Co Ltd | 電動機用回転子 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922147A (en) * | 1974-04-05 | 1975-11-25 | Lummus Co | Hydrolysis reactor |
| US4116967A (en) * | 1976-10-07 | 1978-09-26 | The Lummus Company | Production of carboxylic acids from nitriles |
| DE3044617C2 (de) * | 1980-11-27 | 1985-09-26 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt |
| 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 |
-
1971
- 1971-09-07 US US00178382A patent/US3833647A/en not_active Expired - Lifetime
-
1972
- 1972-09-05 DE DE2243578A patent/DE2243578A1/de active Pending
- 1972-09-06 GB GB830175A patent/GB1406050A/en not_active Expired
- 1972-09-06 GB GB4133772A patent/GB1406049A/en not_active Expired
- 1972-09-07 JP JP8999272A patent/JPS5632975B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01194843A (ja) * | 1988-01-29 | 1989-08-04 | Tokyo Electric Co Ltd | 電動機用回転子 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4839456A (ja) | 1973-06-09 |
| GB1406050A (en) | 1975-09-10 |
| GB1406049A (en) | 1975-09-10 |
| US3833647A (en) | 1974-09-03 |
| DE2243578A1 (de) | 1973-03-15 |