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. 07, 1998
Filed:
Jul. 22, 1996
Applicant:
Inventor:
Kam Wah Ho, Calgary, CA;
Assignee:
Nova Chemicals Ltd., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528272 ; 528271 ;
Abstract
Polyesters having a reduced gel content may be made from dicyclopentadiene having a purity of less than about 90% by incorporating from 30 to 200 ppm of an aromatic inhibitor into the dicyclopentadiene prior to reacting the glycol and carboxylic acid to form the polyester.
Ho, Kam. (1998). Polyesters from dilute dicyclopentadiene (U.S. Patent No. 5777065). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5777065
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile