DE3777256D1 - Verfahren zur herstellung von bisimiden. - Google Patents

Verfahren zur herstellung von bisimiden.

Info

Publication number
DE3777256D1
DE3777256D1 DE8787108493T DE3777256T DE3777256D1 DE 3777256 D1 DE3777256 D1 DE 3777256D1 DE 8787108493 T DE8787108493 T DE 8787108493T DE 3777256 T DE3777256 T DE 3777256T DE 3777256 D1 DE3777256 D1 DE 3777256D1
Authority
DE
Germany
Prior art keywords
bisimides
producing
producing bisimides
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8787108493T
Other languages
English (en)
Inventor
Donald Richard Berdahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3777256D1 publication Critical patent/DE3777256D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44—Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE8787108493T 1986-07-02 1987-06-12 Verfahren zur herstellung von bisimiden. Expired - Fee Related DE3777256D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/881,415 US4780544A (en) 1986-07-02 1986-07-02 Method for making oxybisphthalimides

Publications (1)

Publication Number Publication Date
DE3777256D1 true DE3777256D1 (de) 1992-04-16

Family

ID=25378428

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787108493T Expired - Fee Related DE3777256D1 (de) 1986-07-02 1987-06-12 Verfahren zur herstellung von bisimiden.

Country Status (4)

Country Link
US (1) US4780544A (de)
EP (1) EP0250981B1 (de)
JP (1) JPS6354361A (de)
DE (1) DE3777256D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8809319U1 (de) * 1988-07-21 1988-09-01 Medinorm AG Medizintechnische Produkte, 6607 Quierschied Katheterventil
US4933469A (en) * 1988-12-16 1990-06-12 General Electric Company Method for preparing oxybisphthalimides
CN1036065C (zh) * 1992-06-06 1997-10-08 上海市合成树脂研究所 制备双-(n-甲基苯邻二甲酰亚胺)醚的方法
WO1994013638A1 (en) * 1992-12-04 1994-06-23 Albemarle Corporation Process for preparing bisimide products
US6028203A (en) * 1998-12-14 2000-02-22 General Electric Company Phase transfer catalyzed method for prepared oxybisphthalic compounds
US20060293528A1 (en) * 2005-06-24 2006-12-28 General Electric Company 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
CN110551085B (zh) * 2019-10-15 2021-10-26 上海固创化工新材料有限公司 一种3,3’,4,4’-二苯醚四甲酸二酐的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992406A (en) * 1976-04-14 1976-11-16 General Electric Company Preparation of aromatic bisimides
US4054577A (en) * 1976-05-06 1977-10-18 General Electric Company Preparation of aromatic bisimides
JPS55122738A (en) * 1979-03-15 1980-09-20 Mitsui Toatsu Chem Inc Preparation of oxy-di-phtalic acid and acid anhydride
JPS55136246A (en) * 1979-04-09 1980-10-23 Mitsui Toatsu Chem Inc Preparation of hydroxy-di-phthalic acid
US4467097A (en) * 1982-09-29 1984-08-21 General Electric Company Method for making aromatic bis(etherimide)s
US4558164A (en) * 1984-08-06 1985-12-10 E. I. Du Pont De Nemours And Company Production of dinitrodiphenyl ether

Also Published As

Publication number Publication date
US4780544A (en) 1988-10-25
EP0250981A3 (en) 1988-03-02
EP0250981A2 (de) 1988-01-07
JPS6354361A (ja) 1988-03-08
EP0250981B1 (de) 1992-03-11

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee