IT8220552A0 - Procedimento per preparare bis(eteri anidridi) aromatiche. - Google Patents

Procedimento per preparare bis(eteri anidridi) aromatiche.

Info

Publication number
IT8220552A0
IT8220552A0 IT8220552A IT2055282A IT8220552A0 IT 8220552 A0 IT8220552 A0 IT 8220552A0 IT 8220552 A IT8220552 A IT 8220552A IT 2055282 A IT2055282 A IT 2055282A IT 8220552 A0 IT8220552 A0 IT 8220552A0
Authority
IT
Italy
Prior art keywords
procedure
preparing aromatic
aromatic bis
ether anhydrides
anhydrides
Prior art date
Application number
IT8220552A
Other languages
English (en)
Other versions
IT1150754B (it
Inventor
Jimmy Lynn Webb
Bharat Mahendra Mehta
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8220552A0 publication Critical patent/IT8220552A0/it
Application granted granted Critical
Publication of IT1150754B publication Critical patent/IT1150754B/it

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Indole Compounds (AREA)
  • Epoxy Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT20552/82A 1981-04-03 1982-04-02 Procedimento per preparare bis (eteri anidridi) aromatiche IT1150754B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/250,804 US4329291A (en) 1981-04-03 1981-04-03 Method for making aromatic bis(ether anhydride)s

Publications (2)

Publication Number Publication Date
IT8220552A0 true IT8220552A0 (it) 1982-04-02
IT1150754B IT1150754B (it) 1986-12-17

Family

ID=22949229

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20552/82A IT1150754B (it) 1981-04-03 1982-04-02 Procedimento per preparare bis (eteri anidridi) aromatiche

Country Status (8)

Country Link
US (1) US4329291A (it)
JP (1) JPS57176975A (it)
AU (1) AU8235182A (it)
CA (1) CA1173845A (it)
FR (1) FR2503159B1 (it)
GB (1) GB2096140B (it)
IT (1) IT1150754B (it)
NL (1) NL8201386A (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340545A (en) * 1981-04-13 1982-07-20 General Electric Company Method for making aromatic bis(ether anhydrides)
US5077415A (en) * 1990-01-19 1991-12-31 Ciba-Geigy Corporation Disubstituted aromatic dianhydrides
EP0709419B1 (en) 1994-10-24 2004-04-14 Eastman Chemical Company Water-dispersible block copolyesters
AU144901S (en) 2001-03-02 2001-08-15 Nokia Mobile Phones Ltd A handset
AU144906S (en) 2001-03-02 2001-08-15 Nokia Mobile Phones Ltd A handset
CA97021S (en) 2001-03-02 2003-06-25 Nokia Mobile Phones Ltd Handset
AU144902S (en) 2001-03-02 2001-08-15 Nokia Mobile Phones Ltd A handset
US6576770B1 (en) 2001-12-05 2003-06-10 General Electric Company Preparation of substituted phthalic anhydrides and substituted phthalimides
US6498224B1 (en) 2001-12-05 2002-12-24 General Electric Company Methods for the preparation poly(etherimide)s
US6528663B1 (en) 2001-12-05 2003-03-04 General Electric Company Methods for the preparation of 4-chlorophthalic anhydride
US6710187B2 (en) * 2002-05-14 2004-03-23 General Electric Company Process to isolate dianhydrides
US6881815B2 (en) * 2002-09-25 2005-04-19 General Electric Company Method for the preparation poly(etherimide)s
CA2575739A1 (en) * 2004-08-06 2006-02-16 Grain Processing Corporation Tablet coating composition
US8080671B2 (en) 2008-05-23 2011-12-20 Sabic Innovative Plastics Ip B.V. Production of low color polyetherimides
CN109071479A (zh) 2016-04-27 2018-12-21 沙特基础工业全球技术有限公司 分离二酐的方法和通过该方法制备的二酐
US11459314B2 (en) 2018-05-07 2022-10-04 Shpp Global Technologies B.V. Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the method
US11661416B2 (en) 2018-05-14 2023-05-30 Shpp Global Technologies B.V. Method for isolation of a dianhydride and dianhydrides prepared by the method
EP3802506B1 (en) 2018-06-04 2022-06-08 SHPP Global Technologies B.V. Method for producing an aromatic dianhydride
US11912689B2 (en) 2018-06-18 2024-02-27 Shpp Global Technologies B.V. Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the method
WO2021113491A1 (en) 2019-12-03 2021-06-10 Shpp Global Technologies B.V. Polyimide varnish from high purity bisphenol a dianhydride and articles prepared therefrom
WO2021113489A1 (en) 2019-12-03 2021-06-10 Shpp Global Technologies B.V. Polyamic acid varnish from high purity bisphenol a dianhydride and articles prepared therefrom

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116980A (en) * 1976-10-04 1978-09-26 General Electric Company Method for making aromatic bis (ether phthalic acid) or aromatic bis (ether anhydride)s
US4128574A (en) * 1976-10-04 1978-12-05 General Electric Company Method for making organic polycarboxylic acids

Also Published As

Publication number Publication date
US4329291A (en) 1982-05-11
IT1150754B (it) 1986-12-17
CA1173845A (en) 1984-09-04
GB2096140B (en) 1985-04-03
FR2503159A1 (fr) 1982-10-08
GB2096140A (en) 1982-10-13
FR2503159B1 (fr) 1985-10-04
AU8235182A (en) 1982-10-07
NL8201386A (nl) 1982-11-01
JPS57176975A (en) 1982-10-30

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