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
CA1310651CCA000589595ACA589595ACA1310651CCA 1310651 CCA1310651 CCA 1310651CCA 000589595 ACA000589595 ACA 000589595ACA 589595 ACA589595 ACA 589595ACA 1310651 CCA1310651 CCA 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.)
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 CA000495286Aexternal-prioritypatent/CA1258946A/fr
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Application grantedgrantedCritical
Publication of CA1310651CpublicationCriticalpatent/CA1310651C/fr