NO912167L - Fremgangsmaate for fremstilling av ftalsyreanhydrid-derivater. - Google Patents
Fremgangsmaate for fremstilling av ftalsyreanhydrid-derivater.Info
- Publication number
- NO912167L NO912167L NO91912167A NO912167A NO912167L NO 912167 L NO912167 L NO 912167L NO 91912167 A NO91912167 A NO 91912167A NO 912167 A NO912167 A NO 912167A NO 912167 L NO912167 L NO 912167L
- Authority
- NO
- Norway
- Prior art keywords
- phtal
- procedure
- preparation
- acid anhydride
- anhydride derivatives
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/21—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
- C07C65/24—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups polycyclic
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53525990A | 1990-06-08 | 1990-06-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO912167D0 NO912167D0 (no) | 1991-06-06 |
NO912167L true NO912167L (no) | 1991-12-09 |
Family
ID=24133475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO91912167A NO912167L (no) | 1990-06-08 | 1991-06-06 | Fremgangsmaate for fremstilling av ftalsyreanhydrid-derivater. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0460687A3 (no) |
JP (1) | JP3056539B2 (no) |
CA (1) | CA2044110A1 (no) |
FI (1) | FI912762A (no) |
NO (1) | NO912167L (no) |
PT (1) | PT97902A (no) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6706897B1 (en) * | 2003-02-24 | 2004-03-16 | General Electric Company | Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst |
CN101258139B (zh) * | 2005-09-26 | 2010-12-22 | 玛奈克股份有限公司 | 3-羟基邻苯二甲酸酐的制备方法 |
WO2008082417A1 (en) * | 2007-01-04 | 2008-07-10 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides |
KR102577116B1 (ko) | 2018-12-18 | 2023-09-11 | 주식회사 엘지화학 | 디아민 화합물, 이를 이용한 폴리이미드 전구체 및 폴리이미드 필름 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4837404A (en) * | 1987-08-24 | 1989-06-06 | Occidental Chemical Corporation | Process for the preparation of oxy-diphthalic anhydrides |
-
1991
- 1991-06-05 JP JP3134421A patent/JP3056539B2/ja not_active Expired - Fee Related
- 1991-06-06 NO NO91912167A patent/NO912167L/no unknown
- 1991-06-07 PT PT97902A patent/PT97902A/pt not_active Application Discontinuation
- 1991-06-07 FI FI912762A patent/FI912762A/fi not_active Application Discontinuation
- 1991-06-07 EP EP19910109331 patent/EP0460687A3/en not_active Ceased
- 1991-06-07 CA CA002044110A patent/CA2044110A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
NO912167D0 (no) | 1991-06-06 |
JPH04297472A (ja) | 1992-10-21 |
FI912762A0 (fi) | 1991-06-07 |
CA2044110A1 (en) | 1991-12-09 |
PT97902A (pt) | 1992-03-31 |
JP3056539B2 (ja) | 2000-06-26 |
EP0460687A2 (en) | 1991-12-11 |
EP0460687A3 (en) | 1992-06-17 |
FI912762A (fi) | 1991-12-09 |
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