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:
Oct. 24, 1978
Filed:
Nov. 02, 1970
Applicant:
Inventors:
William Alexander, Kingston, CA;
Alfredo Guillermo Causa, Akron, OH (US);
James Girvan Fraser, Kingston, CA;
Assignee:
Millhaven Fibres, Ltd., , CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260861 ; 260865 ; 528273 ;
Abstract
According to a preferred embodiment, polyethylene terephthalate polymer is prepared by a process including addition to the melt of 0.45 up to 0.9% by weight of 1,2-epoxy-3-phenoxypropane, and triphenylphosphite, as a stabilizer.
Alexander, William. (1978). Treating polyethylene terephthalate with 1,2-epoxy-3-phenoxypropane and (U.S. Patent No. 4122063). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4122063
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile