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:
Dec. 11, 1979
Filed:
Jun. 14, 1978
Applicant:
Inventors:
Peter Gebauer, Troisdorf, DE;
Wilhelm Kaufer, Troisdorf, DE;
Herbert Klinkenberg, Troisdorf, DE;
Hilde Sontgerath, Troisdorf, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 528291 ; 525437 ;
Abstract
A modified polyester composition comprising the condensation product of terephthalic acid or a polyester-forming derivative thereof and a diol, said polyester having an arithmetical mean molecular weight M.sub.n or more than 17,000, a carboxyl equivalent of at least 10 mVal/kg, a nitrogen content of less than 0.4 weight percent and urethane groups linked linearly to said polyester; a process for preparing such modified polyester and a molding composition comprising such modified polyester and an additive, suitably a filler and in particular glass fibers.