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:
Sep. 11, 2012
Filed:
Mar. 27, 2006
Doetze Jakob Sikkema, Richmond, VA (US);
David J. Rodini, Midlothian, VA (US);
Qinghong Fu Adkins, Collinsville, VA (US);
Steven R. Allen, Midlothian, VA (US);
Christopher William Newton, Richmond, VA (US);
Doetze Jakob Sikkema, Richmond, VA (US);
David J. Rodini, Midlothian, VA (US);
Qinghong Fu Adkins, Collinsville, VA (US);
Steven R. Allen, Midlothian, VA (US);
Christopher William Newton, Richmond, VA (US);
Magellan Systems International, LLC, Bethesda, MD (US);
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Disclosed are processes for preparing polyareneazole polymers characterized as providing polymer solutions having an inherent viscosity of at least about 22 dl/g at 30° C. at a polymer concentration of 0.05 g/dl in methane sulfonic acid. Polyareneazoles, filaments and yarns are also disclosed.