IL119868A0 - Process for the preparation of 4,4'-oxybisphthalic dianhydride - Google Patents
Process for the preparation of 4,4'-oxybisphthalic dianhydrideInfo
- Publication number
- IL119868A0 IL119868A0 IL11986896A IL11986896A IL119868A0 IL 119868 A0 IL119868 A0 IL 119868A0 IL 11986896 A IL11986896 A IL 11986896A IL 11986896 A IL11986896 A IL 11986896A IL 119868 A0 IL119868 A0 IL 119868A0
- Authority
- IL
- Israel
- Prior art keywords
- preparation
- oxybisphthalic
- dianhydride
- oxybisphthalic dianhydride
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/68—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings containing halogen
-
- 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
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- 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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Furan Compounds (AREA)
- Indole Compounds (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL11986896A IL119868A0 (en) | 1996-12-19 | 1996-12-19 | Process for the preparation of 4,4'-oxybisphthalic dianhydride |
PCT/IL1997/000415 WO1998027047A1 (en) | 1996-12-19 | 1997-12-18 | Process for the preparation of 4,4'-oxybisphthalic dianhydride |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL11986896A IL119868A0 (en) | 1996-12-19 | 1996-12-19 | Process for the preparation of 4,4'-oxybisphthalic dianhydride |
Publications (1)
Publication Number | Publication Date |
---|---|
IL119868A0 true IL119868A0 (en) | 1997-03-18 |
Family
ID=11069602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL11986896A IL119868A0 (en) | 1996-12-19 | 1996-12-19 | Process for the preparation of 4,4'-oxybisphthalic dianhydride |
Country Status (2)
Country | Link |
---|---|
IL (1) | IL119868A0 (en) |
WO (1) | WO1998027047A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7411032B2 (en) * | 2005-09-23 | 2008-08-12 | Sabic Innovative Plastics Ip B.V. | Method for making polyetherimides |
WO2008082417A1 (en) * | 2007-01-04 | 2008-07-10 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides |
US7674920B2 (en) | 2008-03-28 | 2010-03-09 | Sabic Innovative Plastics Ip B.V. | Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom |
US8013173B2 (en) | 2008-03-28 | 2011-09-06 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides, the dianhydrides formed thereby, and polyetherimides formed therefrom |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55122738A (en) * | 1979-03-15 | 1980-09-20 | Mitsui Toatsu Chem Inc | Preparation of oxy-di-phtalic acid and acid anhydride |
US4697023A (en) * | 1986-10-03 | 1987-09-29 | Occidental Chemical Corporation | Process for the preparation of oxy-diphthalic anhydrides |
US5153335A (en) * | 1990-06-08 | 1992-10-06 | Occidental Chemical Corporation | Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides |
-
1996
- 1996-12-19 IL IL11986896A patent/IL119868A0/en unknown
-
1997
- 1997-12-18 WO PCT/IL1997/000415 patent/WO1998027047A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1998027047A1 (en) | 1998-06-25 |
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