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:
Mar. 30, 1982
Filed:
Jul. 08, 1980
Applicant:
Inventors:
David A Johnson, Norton, MA (US);
Robert L Gilly, Asheville, NC (US);
Kenneth B Wagener, Asheville, NC (US);
Assignee:
Akzona Incorporated, Asheville, NC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C08G / ;
U.S. Cl.
CPC ...
528289 ; 546 20 ;
Abstract
Polyester/polyether segmented copolymers are stabilized against degradation by UV light via copolymerization with novel diesters and/or bis-hydroxyalkyl terminated derivatives of 2,2,6,6-tetramethylpiperidines.
Johnson, David. (1982). Polyester/polyether segmented copolymers stabilized against degradation (U.S. Patent No. 4322522). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4322522
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile