NL189192B - Werkwijze ter bereiding van aromatisch bis(ether-ftaalzuur) of aromatisch bis(ether-anhydride). - Google Patents
Werkwijze ter bereiding van aromatisch bis(ether-ftaalzuur) of aromatisch bis(ether-anhydride).Info
- Publication number
- NL189192B NL189192B NLAANVRAGE8201387,A NL8201387A NL189192B NL 189192 B NL189192 B NL 189192B NL 8201387 A NL8201387 A NL 8201387A NL 189192 B NL189192 B NL 189192B
- Authority
- NL
- Netherlands
- Prior art keywords
- ether
- aromatic bis
- anhydride
- phtalic acid
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
- C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/250,994 US4329496A (en) | 1981-04-03 | 1981-04-03 | Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride) |
US25099481 | 1981-04-03 | ||
US06/254,815 US4329292A (en) | 1981-04-16 | 1981-04-16 | Continuous method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride) |
US25481581 | 1981-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL8201387A NL8201387A (nl) | 1982-11-01 |
NL189192B true NL189192B (nl) | 1992-09-01 |
Family
ID=26941301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE8201387,A NL189192B (nl) | 1981-04-03 | 1982-04-01 | Werkwijze ter bereiding van aromatisch bis(ether-ftaalzuur) of aromatisch bis(ether-anhydride). |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU8235082A (xx) |
DE (1) | DE3212163A1 (xx) |
FR (1) | FR2503141B1 (xx) |
GB (1) | GB2096141B (xx) |
IT (1) | IT1221730B (xx) |
NL (1) | NL189192B (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0413415A1 (en) * | 1989-06-13 | 1991-02-20 | The British Petroleum Company p.l.c. | Carboxylic acids and derivates thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957862A (en) * | 1973-03-30 | 1976-05-18 | General Electric Company | Method of making aromatic bis(ether ortho phthalic acid)s |
US3879428A (en) * | 1973-03-30 | 1975-04-22 | Gen Electric | Method for making aromatic bis(ether anhydride)s |
US4128574A (en) * | 1976-10-04 | 1978-12-05 | General Electric Company | Method for making organic polycarboxylic acids |
US4116980A (en) * | 1976-10-04 | 1978-09-26 | General Electric Company | Method for making aromatic bis (ether phthalic acid) or aromatic bis (ether anhydride)s |
US4318857A (en) * | 1981-04-03 | 1982-03-09 | General Electric Company | Method for making aromatic bis (ether anhydrides) |
-
1982
- 1982-03-26 GB GB8208972A patent/GB2096141B/en not_active Expired
- 1982-04-01 NL NLAANVRAGE8201387,A patent/NL189192B/xx not_active IP Right Cessation
- 1982-04-01 DE DE19823212163 patent/DE3212163A1/de active Granted
- 1982-04-02 IT IT20553/82A patent/IT1221730B/it active
- 1982-04-02 FR FR8205750A patent/FR2503141B1/fr not_active Expired
- 1982-04-05 AU AU82350/82A patent/AU8235082A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU8235082A (en) | 1982-10-07 |
GB2096141B (en) | 1985-04-24 |
DE3212163A1 (de) | 1982-10-28 |
FR2503141B1 (fr) | 1986-05-02 |
FR2503141A1 (fr) | 1982-10-08 |
IT1221730B (it) | 1990-07-12 |
NL8201387A (nl) | 1982-11-01 |
IT8220553A0 (it) | 1982-04-02 |
DE3212163C2 (xx) | 1993-06-17 |
GB2096141A (en) | 1982-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19961101 |