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:
Dec. 07, 1999
Filed:
Jul. 17, 1997
Applicant:
Inventor:
Lee James Hesler, Richmond, VA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
442169 ; 8925 ; 442327 ; 162108 ; 162146 ;
Abstract
Aramid sheet material and parts molded therefrom comprising m-aramid fibrids containing up to 10% by weight dyes that are thermally stable up to the glass transition temperature of the m-aramid polymer and p-aramid or m-aramid short fibers.