DK332774A - - Google Patents

Info

Publication number
DK332774A
DK332774A DK332774A DK332774A DK332774A DK 332774 A DK332774 A DK 332774A DK 332774 A DK332774 A DK 332774A DK 332774 A DK332774 A DK 332774A DK 332774 A DK332774 A DK 332774A
Authority
DK
Denmark
Application number
DK332774A
Other languages
Danish (da)
Other versions
DK143400C (da
DK143400B (da
Inventor
A S Hay
T Takekoshi
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 DK332774A publication Critical patent/DK332774A/da
Publication of DK143400B publication Critical patent/DK143400B/da
Application granted granted Critical
Publication of DK143400C publication Critical patent/DK143400C/da

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
DK332774A 1973-06-22 1974-06-20 Fremgangsmaade til fremstilling af 2,2',3,3'-tetracarboxydiphenyletherdianhydrid DK143400C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37277173A 1973-06-22 1973-06-22
US37277173 1973-06-22

Publications (3)

Publication Number Publication Date
DK332774A true DK332774A (ja) 1975-03-17
DK143400B DK143400B (da) 1981-08-17
DK143400C DK143400C (da) 1981-12-21

Family

ID=23469576

Family Applications (1)

Application Number Title Priority Date Filing Date
DK332774A DK143400C (da) 1973-06-22 1974-06-20 Fremgangsmaade til fremstilling af 2,2',3,3'-tetracarboxydiphenyletherdianhydrid

Country Status (10)

Country Link
JP (1) JPS5850992B2 (ja)
BR (1) BR7405070D0 (ja)
DD (1) DD112430A5 (ja)
DE (1) DE2416594C2 (ja)
DK (1) DK143400C (ja)
FR (1) FR2299331A1 (ja)
GB (1) GB1467275A (ja)
IT (1) IT1015232B (ja)
SE (1) SE412226B (ja)
SU (1) SU561504A3 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58193198A (ja) * 1982-05-07 1983-11-10 株式会社日立製作所 記録ペン交換装置
JPS59169993U (ja) * 1983-04-27 1984-11-14 ローランド　ディー．ジー．株式会社 Ｘ―ｙプロツタのペンホルダー
JPS6038795U (ja) * 1983-08-23 1985-03-18 アルプス電気株式会社 Ｘ−ｙプロツタ
US5185451A (en) * 1989-05-15 1993-02-09 Occidental Chemical Corporation Bis-imides of dioxydiphthalic acid
US5166404A (en) * 1989-05-15 1992-11-24 Occidental Chemical Corporation Dioxydiphthalic acid esters
CN108350148A (zh) * 2015-03-19 2018-07-31 衡所华威电子有限公司 使用酸酐硬化剂的环氧模塑化合物、其制备方法和用途

Also Published As

Publication number Publication date
FR2299331B1 (ja) 1979-02-23
DE2416594A1 (de) 1975-01-16
SE412226B (sv) 1980-02-25
DK143400C (da) 1981-12-21
JPS5032143A (ja) 1975-03-28
SU561504A3 (ru) 1977-06-05
DK143400B (da) 1981-08-17
DE2416594C2 (de) 1983-12-08
GB1467275A (en) 1977-03-16
IT1015232B (it) 1977-05-10
SE7408147L (ja) 1974-12-23
BR7405070D0 (pt) 1975-01-21
DD112430A5 (ja) 1975-04-12
JPS5850992B2 (ja) 1983-11-14
AU6775674A (en) 1975-10-16
FR2299331A1 (fr) 1976-08-27

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Legal Events

Date Code Title Description
PBP Patent lapsed