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:
Nov. 25, 1986
Filed:
Apr. 29, 1985
Applicant:
Inventor:
Paul D Frayer, Brooklyn, CT (US);
Assignee:
Rogers Corporation, Rogers, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
524104 ; 524600 ;
Abstract
A high temperature processing aid for melt processing polyimide polymers and a method of doing same is presented wherein a compatible, high boiling point N-alkyl- or N-alicyclic-substituted pyrrolidone is added to a polyimide polymer in amounts sufficient to lower the glass transition temperature of said polyimide.