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:
Jan. 03, 2017
Filed:
May. 07, 2014
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Daniel J. Coady, San Jose, CA (US);
Jeannette M. Garcia, San Jose, CA (US);
James L. Hedrick, Pleasanton, CA (US);
Hans W. Horn, San Jose, CA (US);
Gavin O. Jones, San Jose, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/23 (2006.01); C08K 7/24 (2006.01); B33Y 70/00 (2015.01);
U.S. Cl.
CPC ...
C08G 75/23 (2013.01); B33Y 70/00 (2014.12); C08K 7/24 (2013.01);
Abstract
A poly(aryl ether sulfone) of low polydispersity containing no detectable cyclic polymer byproduct was prepared by melt polymerization without catalyst, solvent, and base. The poly(aryl ether sulfone) can be used without further purification for the manufacture of articles. A melt composition for fabricating an article comprises the poly(aryl ether sulfone) and, optionally, one or more additives.