DE69114430D1 - Tetracarbonsäuredianhydride. - Google Patents
Tetracarbonsäuredianhydride.Info
- Publication number
- DE69114430D1 DE69114430D1 DE69114430T DE69114430T DE69114430D1 DE 69114430 D1 DE69114430 D1 DE 69114430D1 DE 69114430 T DE69114430 T DE 69114430T DE 69114430 T DE69114430 T DE 69114430T DE 69114430 D1 DE69114430 D1 DE 69114430D1
- Authority
- DE
- Germany
- Prior art keywords
- tetracarboxylic dianhydrides
- dianhydrides
- tetracarboxylic
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22336390A JP2933695B2 (ja) | 1990-08-24 | 1990-08-24 | テトラカルボン酸二無水物 |
JP22336490A JP2876537B2 (ja) | 1990-08-24 | 1990-08-24 | テトラカルボン酸二無水物 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69114430D1 true DE69114430D1 (de) | 1995-12-14 |
DE69114430T2 DE69114430T2 (de) | 1996-07-04 |
Family
ID=26525421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69114430T Expired - Fee Related DE69114430T2 (de) | 1990-08-24 | 1991-08-23 | Tetracarbonsäuredianhydride. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5122617A (de) |
EP (1) | EP0477539B1 (de) |
DE (1) | DE69114430T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69232894T2 (de) * | 1991-03-12 | 2003-11-20 | Sumitomo Bakelite Co. Ltd., Tokio/Tokyo | Herstellungsverfahren fuer zweischichtenband vom tab-typ |
CN112020488A (zh) | 2018-05-07 | 2020-12-01 | 沙特基础工业全球技术有限公司 | 用于分离芳族二酐的方法和由该方法制备的芳族二酐 |
WO2019222077A1 (en) * | 2018-05-14 | 2019-11-21 | Sabic Global Technologies B.V. | Method for isolation of a dianhydride and dianhydrides prepared by the method |
EP3802506B1 (de) | 2018-06-04 | 2022-06-08 | SHPP Global Technologies B.V. | Verfahren zur herstellung eines aromatischen dianhydrids |
CN112262131A (zh) | 2018-06-18 | 2021-01-22 | 沙特高性能聚合物和塑料全球技术公司 | 分离芳族二酐的方法和用该方法制备的芳族二酐 |
CN109627238A (zh) * | 2018-12-24 | 2019-04-16 | 山东盛华新材料科技股份有限公司 | 一种含噻吩衍生物二酐类化合物及其合成方法及应用 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3891633A (en) * | 1970-01-07 | 1975-06-24 | Alfred Anisimovich Berlin | Method of producing dianhydrides of aromatic tetracarboxylic acids |
NL7408880A (nl) * | 1974-07-01 | 1976-01-05 | Gen Electric | Werkwijze ter bereiding van bis(thioether- ftaalimiden) en bis(thioetheranhydriden). |
EP0126252A1 (de) * | 1983-04-20 | 1984-11-28 | General Electric Company | Schwefel enthaltende Zusammensetzungen, Verfahren zu ihrer Herstellung und ihre Anwendung |
US4490545A (en) * | 1983-08-22 | 1984-12-25 | Standard Oil Company (Indiana) | Cyclic dianhydrides prepared from maleic anhydride |
US4584388A (en) * | 1985-01-14 | 1986-04-22 | General Electric Company | Method and composition for preparing aromatic polycarboxylic acids and their anhydrides from polycarboximides |
US4571425A (en) * | 1985-02-14 | 1986-02-18 | General Electric Company | Method for making aromatic bis(ether anhydride) |
US4960903A (en) * | 1985-12-16 | 1990-10-02 | Toa Nenryo Kogyo Kabushiki Kaisha | Aromatic compounds having sulfonyl groups |
US4808696A (en) * | 1987-06-01 | 1989-02-28 | General Electric Company | Method for making organobis(thioether)s, and products obtained therefrom |
US5003085A (en) * | 1989-04-24 | 1991-03-26 | Amoco Corporation | Acid anhydrides and dianhydrides of disubstituted maleic anhydrides |
US4973707A (en) * | 1989-07-31 | 1990-11-27 | General Electric Company | Acetylene bis-phthalic compounds and polyimides made therefrom |
-
1991
- 1991-08-23 EP EP91114177A patent/EP0477539B1/de not_active Expired - Lifetime
- 1991-08-23 DE DE69114430T patent/DE69114430T2/de not_active Expired - Fee Related
- 1991-08-23 US US07/749,342 patent/US5122617A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5122617A (en) | 1992-06-16 |
EP0477539A1 (de) | 1992-04-01 |
DE69114430T2 (de) | 1996-07-04 |
EP0477539B1 (de) | 1995-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |