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:
May. 26, 2015
Filed:
Oct. 31, 2011
Eric Lee Lutz, Mount Vernon, IN (US);
William Hoy Heath, Lake Jackson, TX (US);
Roy Ray Odle, Mount Vernon, IN (US);
Thomas Link Guggenheim, Mount Vernon, IN (US);
Juan Justino Rodriguez Ordonez, San Javier, ES;
Jose Roman Galdamez Pena, Fuente Alamo, ES;
Eric Lee Lutz, Mount Vernon, IN (US);
William Hoy Heath, Lake Jackson, TX (US);
Roy Ray Odle, Mount Vernon, IN (US);
Thomas Link Guggenheim, Mount Vernon, IN (US);
Juan Justino Rodriguez Ordonez, San Javier, ES;
Jose Roman Galdamez Pena, Fuente Alamo, ES;
Abstract
A poly(aryl ether sulfone) comprises units of formula (I): wherein Aris a divalent C-Caromatic group, Aris a divalent C-Caromatic group, Aris a divalent C-Caromatic group, and n is greater than 1; wherein is X is a hydrogen atom or an organic substituent having from 1 to 20 carbon atoms; wherein the poly(aryl ether sulfone) has a hydroxyl group content greater than 0 and less than 50 parts per million (ppm), based on the poly(aryl ether sulfone) weight, a glass transition temperature of 180 to 290° C., a weight average molecular weight of 20,000 to 100,000, a halogen content of greater than 0 and less than 3000 ppm based on the poly(aryl ether sulfone) weight. The poly(aryl ether sulfone) is free of methoxy groups.