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:
May. 24, 1977
Filed:
Jun. 24, 1975
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
The heat distortion resistance and the molecular weight of polypropylene terephthalate and polybentylene terephthalate can be increased by cocondensing up to 10 mol-% of aliphatic diols containing 5 to 10 carbon atoms or of cycloaliphatic diols containing 8 to 12 carbon atoms.
Binsack, Rudolf. (1977). Thermoplastic copolyesters and a process for their production (U.S. Patent No. 4025492). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4025492
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile