FR2178862B1 - - Google Patents
Info
- Publication number
- FR2178862B1 FR2178862B1 FR7305836A FR7305836A FR2178862B1 FR 2178862 B1 FR2178862 B1 FR 2178862B1 FR 7305836 A FR7305836 A FR 7305836A FR 7305836 A FR7305836 A FR 7305836A FR 2178862 B1 FR2178862 B1 FR 2178862B1
- Authority
- FR
- France
- 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—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
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
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)
- Furan Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3255472A JPS522906B2 (fr) | 1972-04-03 | 1972-04-03 | |
| JP47049143A JPS5123498B2 (fr) | 1972-05-19 | 1972-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2178862A1 FR2178862A1 (fr) | 1973-11-16 |
| FR2178862B1 true FR2178862B1 (fr) | 1977-07-29 |
Family
ID=26371140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7305836A Expired FR2178862B1 (fr) | 1972-04-03 | 1973-02-19 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3940426A (fr) |
| DE (2) | DE2304551C2 (fr) |
| FR (1) | FR2178862B1 (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535026A (en) * | 1978-09-05 | 1980-03-11 | Ube Ind Ltd | Production of biphenyl compound |
| US4958002A (en) * | 1987-06-25 | 1990-09-18 | Ube Industries, Ltd. | High purity crystals of biphenyltetracarboxylic dianhydride and process for their preparation |
| JPH02124893A (ja) * | 1988-11-01 | 1990-05-14 | Hitachi Chem Co Ltd | １，３−ビス（ジカルボキシフエニル）−１，１，３，３−テトラフエニルジシロキサン誘導体，その製造法及びそれを用いたポリイミドの製造法 |
| JP2735314B2 (ja) * | 1989-10-06 | 1998-04-02 | 株式会社日立製作所 | 高純度の３，３’，４，４’―ビフェニルテトラカルボン酸又はその酸二無水物の製造方法 |
| JP3057876B2 (ja) * | 1992-02-18 | 2000-07-04 | 三菱化学株式会社 | ビフェニルテトラカルボン酸二無水物の製法 |
| US6740406B2 (en) | 2000-12-15 | 2004-05-25 | Kimberly-Clark Worldwide, Inc. | Coated activated carbon |
| US20040166248A1 (en) * | 2000-12-15 | 2004-08-26 | Sheng-Hsin Hu | Coated activated carbon |
| US7015304B1 (en) * | 2004-07-23 | 2006-03-21 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Solvent free low-melt viscosity imide oligomers and thermosetting polyimide composites |
| US7425650B1 (en) | 2004-07-23 | 2008-09-16 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Synthesis of asymmetric tetracarboxylic acids and corresponding dianhydrides |
| US8093348B1 (en) | 2006-03-18 | 2012-01-10 | The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Polyimides derived from novel asymmetric dianhydrides |
| US8993710B1 (en) | 2006-03-18 | 2015-03-31 | The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Polyimides derived from novel asymmetric benzophenone dianhydrides |
| US9315632B1 (en) | 2006-10-19 | 2016-04-19 | The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Process for preparing epoxy-reinforced silica aerogels |
| CN103288583B (zh) * | 2013-06-14 | 2016-03-23 | 中国科学院长春应用化学研究所 | 一种2,3,3’,4’-四甲基联苯的制备方法 |
| JP6789617B2 (ja) * | 2015-06-25 | 2020-11-25 | キヤノン株式会社 | カルボン酸無水物の製造方法、カルボン酸イミドの製造方法および電子写真感光体の製造方法 |
| CN113636994B (zh) * | 2021-08-03 | 2023-08-25 | 哈尔滨工业大学（威海） | 一种连续流微通道反应***制备联苯二酐新方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971554C (de) * | 1954-05-12 | 1959-02-19 | Bergwerksverband Zur Verwertun | Verfahren und Vorrichtung zur Herstellung von Carbonsaeuren durch Oxydation organischer Stoffe mit Salpetersaeure |
| US3179614A (en) * | 1961-03-13 | 1965-04-20 | Du Pont | Polyamide-acids, compositions thereof, and process for their preparation |
| DE1289039B (de) * | 1965-03-24 | 1969-02-13 | Gelsenberg Benzin Ag | Verfahren zur Reinigung von Pyromellithsaeuredianhydrid |
-
1973
- 1973-01-16 US US05/324,050 patent/US3940426A/en not_active Expired - Lifetime
- 1973-01-31 DE DE2304551A patent/DE2304551C2/de not_active Expired
- 1973-01-31 DE DE2366569A patent/DE2366569C2/de not_active Expired
- 1973-02-19 FR FR7305836A patent/FR2178862B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2178862A1 (fr) | 1973-11-16 |
| DE2304551A1 (de) | 1973-10-18 |
| DE2366569C2 (de) | 1986-04-30 |
| US3940426A (en) | 1976-02-24 |
| DE2304551C2 (de) | 1986-04-30 |