NO902094L - Nye dianhydridforbindelser og fremgangsmaate for deres fremstilling. - Google Patents
Nye dianhydridforbindelser og fremgangsmaate for deres fremstilling.Info
- Publication number
- NO902094L NO902094L NO90902094A NO902094A NO902094L NO 902094 L NO902094 L NO 902094L NO 90902094 A NO90902094 A NO 90902094A NO 902094 A NO902094 A NO 902094A NO 902094 L NO902094 L NO 902094L
- Authority
- NO
- Norway
- Prior art keywords
- procedures
- preparation
- new
- dianhydride compounds
- dianhydride
- Prior art date
Links
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical class CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/14—Ortho-condensed systems
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Polyesters Or Polycarbonates (AREA)
- Epoxy Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/352,070 US4943642A (en) | 1989-05-15 | 1989-05-15 | Halo-oxydiphthalic anhydrides |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO902094D0 NO902094D0 (no) | 1990-05-11 |
| NO902094L true NO902094L (no) | 1990-11-16 |
Family
ID=23383672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO90902094A NO902094L (no) | 1989-05-15 | 1990-05-11 | Nye dianhydridforbindelser og fremgangsmaate for deres fremstilling. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4943642A (fr) |
| EP (1) | EP0398206A1 (fr) |
| JP (1) | JPH02311472A (fr) |
| BR (1) | BR9002177A (fr) |
| CA (1) | CA2015164A1 (fr) |
| IL (1) | IL94030A (fr) |
| NO (1) | NO902094L (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003031A (en) * | 1989-05-15 | 1991-03-26 | Occidental Chemical Corporation | Polyimides and co-polyimides based on dioxydiphthalic anhydride |
| EP0438382A1 (fr) * | 1990-01-19 | 1991-07-24 | Ciba-Geigy Ag | Dianhydrides aromatiques disubstitués et polyimides préparés à partir de ceux-ci |
| US20060293528A1 (en) * | 2005-06-24 | 2006-12-28 | General Electric Company | Method of purifying dianhydrides |
| CN103044371B (zh) * | 2012-12-12 | 2015-05-06 | 巨化集团技术中心 | 一种4-氟代苯酐的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5975056A (ja) * | 1982-10-20 | 1984-04-27 | テルモ株式会社 | 医療用具 |
| US4697023A (en) * | 1986-10-03 | 1987-09-29 | Occidental Chemical Corporation | Process for the preparation of oxy-diphthalic anhydrides |
| US4837404A (en) * | 1987-08-24 | 1989-06-06 | Occidental Chemical Corporation | Process for the preparation of oxy-diphthalic anhydrides |
| US4808731A (en) * | 1988-03-04 | 1989-02-28 | General Electric Company | Method for making oxydiphthalic anhydride |
-
1989
- 1989-05-15 US US07/352,070 patent/US4943642A/en not_active Expired - Lifetime
-
1990
- 1990-04-06 IL IL9403090A patent/IL94030A/en not_active IP Right Cessation
- 1990-04-23 CA CA002015164A patent/CA2015164A1/fr not_active Abandoned
- 1990-05-08 JP JP2118494A patent/JPH02311472A/ja active Pending
- 1990-05-10 BR BR909002177A patent/BR9002177A/pt not_active Application Discontinuation
- 1990-05-11 NO NO90902094A patent/NO902094L/no unknown
- 1990-05-14 EP EP90109010A patent/EP0398206A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BR9002177A (pt) | 1991-08-13 |
| US4943642A (en) | 1990-07-24 |
| NO902094D0 (no) | 1990-05-11 |
| IL94030A0 (en) | 1991-01-31 |
| EP0398206A1 (fr) | 1990-11-22 |
| JPH02311472A (ja) | 1990-12-27 |
| CA2015164A1 (fr) | 1990-11-15 |
| IL94030A (en) | 1994-11-11 |
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