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:
Jul. 01, 1980
Filed:
Oct. 26, 1978
Applicant:
Inventors:
Josef Pfeifer, Therwil, CH;
Heinz Peter, Rheinfelden, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528346 ; 260 / ; 528336 ; 528339 ; 528347 ; 528349 ;
Abstract
The transparent polyamides of the invention have a reduced specific viscosity of at least 0.4 dl/g (0.5% solution of the polyamide in m-cresol at 25.degree. C.) and consist either of