The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 1992
Filed:
Aug. 21, 1989
Applicant:
Inventors:
Wilfried Zecher, Leverkusen, DE;
Rolf Dhein, Krefeld, DE;
Aziz El-Sayed, Leverkusen, DE;
Wilfried Haese, Moenchengladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen-Bayerwerk, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08J / ;
U.S. Cl.
CPC ...
528 73 ; 528 45 ; 528 68 ; 528 85 ; 521 48 ; 521107 ; 521108 ; 521129 ; 521157 ; 524108 ;
Abstract
The invention relates to a process for the production of polyamide imides from diimidodicarboxylic acids, trimellitic imidocarboxylic acids and diisocyanates and to their use as moldings, films and binders for paints.