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. 13, 1998
Filed:
Apr. 19, 1996
Applicant:
Inventor:
Robert Ralph Luise, Boothwyn, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528170 ; 528171 ; 528172 ; 528173 ; 528183 ; 528190 ; 528193 ; 528194 ; 528271 ; 528272 ; 528274 ; 528288 ; 528289 ; 528290 ; 528293 ; 528350 ; 528353 ;
Abstract
Poly(ester-imides) containing t-butylhydroquinone and trimellitic anhydride as part of the repeat units, as well as other monomers, are useful as molding resins. The polymers have a high glass transition temperature and are particularly useful in applications requiring good wear resistance.