IL119868A0 - Process for the preparation of 4,4'-oxybisphthalic dianhydride - Google Patents

Process for the preparation of 4,4'-oxybisphthalic dianhydride

Info

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
Application number
IL11986896A
Other languages
English (en)
Original Assignee
Bromine Compounds Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bromine Compounds Ltd filed Critical Bromine Compounds Ltd
Priority to IL11986896A priority Critical patent/IL119868A0/xx
Publication of IL119868A0 publication Critical patent/IL119868A0/xx
Priority to PCT/IL1997/000415 priority patent/WO1998027047A1/fr

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)
IL11986896A 1996-12-19 1996-12-19 Process for the preparation of 4,4'-oxybisphthalic dianhydride IL119868A0 (en)

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 (fr) 1996-12-19 1997-12-18 Procede de preparation de dianhydride 4,4'-oxybisphthalique

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 (fr)
WO (1) WO1998027047A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (fr) * 2007-01-04 2008-07-10 Sabic Innovative Plastics Ip B.V. Procédé de purification de 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1998027047A1 (fr) 1998-06-25

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