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:
Aug. 04, 1998
Filed:
Jul. 09, 1996
Applicant:
Inventors:
Daniel Eugene George, Chaddsford, PA (US);
Joy Sawyer Bloom, Wilmington, DE (US);
Thomas Paul Feist, Clifton Park, NY (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
528170 ; 528310 ; 528353 ; 524404 ; 524406 ; 524423 ; 524439 ; 524496 ; 524600 ; 524602 ;
Abstract
Polyimide compositions can be substantially improved by incorporating in the composition an inorganic, low hardness, thermally stable, sheet silicate, such as muscovite mica, talc, and kaolinite, which results in improved wear resistance and reduced coefficient of friction.