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. 15, 2003
Filed:
Feb. 27, 2001
Applicant:
Inventor:
Thomas H. Schwab, Cumming, GA (US);
Assignee:
Solvay Advanced Polymers, LLC, Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/520 ;
U.S. Cl.
CPC ...
C08G 7/520 ;
Abstract
Improved carbonate method for producing poly(biphenyl ether sulfones) having a low color, the improvement being the use of small particle size anhydrous potassium carbonate. The resulting poly(biphenyl ether sulfones) are significantly improved in color.
Schwab, Thomas. (2003). Low color poly(biphenyl ether sulfone) and improved process for the preparation thereof (U.S. Patent No. 6593445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6593445
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile