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:
Jun. 23, 1992
Filed:
Sep. 13, 1990
Applicant:
Inventor:
Robert R Luise, Boothwyn, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525448 ; 525419 ; 525437 ;
Abstract
A melt-processable, miscible or partially miscible blend of an amorphous, isotropic polyarylate with a poly(ether ketone ketone) that does not possess a sharp or well defined melting endotherm by differential scanning calorimetry when observed on second heating under defined conditions can be extruded into sheets useful in aircraft panels and in other applications that require high burn resistance and good melt processability.