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:
Jan. 28, 1992
Filed:
Sep. 11, 1990
Applicant:
Inventors:
Harald Pielartzik, Krefeld, DE;
Hermann Brinkmeyer, Krefeld, DE;
Rolf-Volker Meyer, Krefeld, DE;
Bernd Willenberg, Bergisch Gladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528171 ; 528173 ; 528176 ; 528193 ; 528194 ; 528272 ; 528294 ; 528295 ; 528302 ; 5283086 ; 525437 ; 525450 ; 525534 ; 525535 ;
Abstract
The thermotropic, fully aromatic polycondensates according to the invention, which contain compounds capable of complex formation, are distinguished by improved resistance to hydrolysis and may be used for the production of moulded articles, fibres, filaments, sheet products and films.