SE412226B - Forfarande for framstellning av 2,2',3,3-tetrakarboxidifenyleterdianhydrid - Google Patents
Forfarande for framstellning av 2,2',3,3-tetrakarboxidifenyleterdianhydridInfo
- Publication number
- SE412226B SE412226B SE7408147A SE7408147A SE412226B SE 412226 B SE412226 B SE 412226B SE 7408147 A SE7408147 A SE 7408147A SE 7408147 A SE7408147 A SE 7408147A SE 412226 B SE412226 B SE 412226B
- Authority
- SE
- Sweden
- Prior art keywords
- tetracharboxidifenyleterdian
- hydride
- preparing
- procedure
- tetracharboxidifenyleterdian hydride
- Prior art date
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
- C07C51/567—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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37277173A | 1973-06-22 | 1973-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7408147L SE7408147L (OSRAM) | 1974-12-23 |
| SE412226B true SE412226B (sv) | 1980-02-25 |
Family
ID=23469576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7408147A SE412226B (sv) | 1973-06-22 | 1974-06-19 | Forfarande for framstellning av 2,2',3,3-tetrakarboxidifenyleterdianhydrid |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5850992B2 (OSRAM) |
| BR (1) | BR7405070D0 (OSRAM) |
| DD (1) | DD112430A5 (OSRAM) |
| DE (1) | DE2416594C2 (OSRAM) |
| DK (1) | DK143400C (OSRAM) |
| FR (1) | FR2299331A1 (OSRAM) |
| GB (1) | GB1467275A (OSRAM) |
| IT (1) | IT1015232B (OSRAM) |
| SE (1) | SE412226B (OSRAM) |
| SU (1) | SU561504A3 (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5166404A (en) * | 1989-05-15 | 1992-11-24 | Occidental Chemical Corporation | Dioxydiphthalic acid esters |
| US5185451A (en) * | 1989-05-15 | 1993-02-09 | Occidental Chemical Corporation | Bis-imides of dioxydiphthalic acid |
| CN108350148A (zh) * | 2015-03-19 | 2018-07-31 | 衡所华威电子有限公司 | 使用酸酐硬化剂的环氧模塑化合物、其制备方法和用途 |
-
1974
- 1974-04-05 DE DE19742416594 patent/DE2416594C2/de not_active Expired
- 1974-05-02 GB GB1931574A patent/GB1467275A/en not_active Expired
- 1974-06-14 SU SU2034558A patent/SU561504A3/ru active
- 1974-06-19 SE SE7408147A patent/SE412226B/xx not_active IP Right Cessation
- 1974-06-20 IT IT2420374A patent/IT1015232B/it active
- 1974-06-20 DD DD17933074A patent/DD112430A5/xx unknown
- 1974-06-20 JP JP6974974A patent/JPS5850992B2/ja not_active Expired
- 1974-06-20 DK DK332774A patent/DK143400C/da not_active IP Right Cessation
- 1974-06-21 FR FR7421578A patent/FR2299331A1/fr active Granted
- 1974-06-21 BR BR507074A patent/BR7405070D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2299331B1 (OSRAM) | 1979-02-23 |
| DK143400B (da) | 1981-08-17 |
| JPS5032143A (OSRAM) | 1975-03-28 |
| DE2416594A1 (de) | 1975-01-16 |
| DE2416594C2 (de) | 1983-12-08 |
| DD112430A5 (OSRAM) | 1975-04-12 |
| DK143400C (da) | 1981-12-21 |
| JPS5850992B2 (ja) | 1983-11-14 |
| FR2299331A1 (fr) | 1976-08-27 |
| SE7408147L (OSRAM) | 1974-12-23 |
| SU561504A3 (ru) | 1977-06-05 |
| BR7405070D0 (pt) | 1975-01-21 |
| AU6775674A (en) | 1975-10-16 |
| IT1015232B (it) | 1977-05-10 |
| DK332774A (OSRAM) | 1975-03-17 |
| GB1467275A (en) | 1977-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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