CA1310651C - Intermediaires de l'acide aminodicarboxylique pour la preparation des polyimides - Google Patents

Intermediaires de l'acide aminodicarboxylique pour la preparation des polyimides

Info

Publication number
CA1310651C
CA1310651C CA000589595A CA589595A CA1310651C CA 1310651 C CA1310651 C CA 1310651C CA 000589595 A CA000589595 A CA 000589595A CA 589595 A CA589595 A CA 589595A CA 1310651 C CA1310651 C CA 1310651C
Authority
CA
Canada
Prior art keywords
ethyl
methyl
acid
radical
atoms
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 - Lifetime
Application number
CA000589595A
Other languages
English (en)
Inventor
Josef Pfeifer
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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
Priority claimed from CA000495286A external-priority patent/CA1258946A/fr
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of CA1310651C publication Critical patent/CA1310651C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
CA000589595A 1984-11-16 1989-01-30 Intermediaires de l'acide aminodicarboxylique pour la preparation des polyimides Expired - Lifetime CA1310651C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH5487/84-2 1984-11-16
CH548784 1984-11-16
CA000495286A CA1258946A (fr) 1984-11-16 1985-11-14 Polyimides, leur preparation et leur emploi

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000495286A Division CA1258946A (fr) 1984-11-16 1985-11-14 Polyimides, leur preparation et leur emploi

Publications (1)

Publication Number Publication Date
CA1310651C true CA1310651C (fr) 1992-11-24

Family

ID=25670836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000589595A Expired - Lifetime CA1310651C (fr) 1984-11-16 1989-01-30 Intermediaires de l'acide aminodicarboxylique pour la preparation des polyimides

Country Status (1)

Country Link
CA (1) CA1310651C (fr)

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Legal Events

Date Code Title Description
MKLA Lapsed