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. 30, 1991
Filed:
Apr. 20, 1990
James H Kawakami, Piscataway, NJ (US);
James E Harris, Piscataway, NJ (US);
Louis M Maresca, Belle Mead, NJ (US);
Lloyd M Robeson, Whitehouse Station, NJ (US);
Amoco Corporation, Chicago, IL (US);
Abstract
This invention relates to moldable polyarylates and in particular to moldable polyarylate compositions which have repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl) sulfone (TMBS), optionally a dihydric phenol such as 2,2-bis-(4-hydroxyphenyl)-propane (Bisphenol A) and a mixture of isophthalic acid and terephthalic acid or derivatives thereof. Such polyarylates exhibit improved hydrolytic stability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile