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:
Apr. 21, 1992
Filed:
Jul. 15, 1991
Applicant:
Inventors:
George R Chapman, Jr, Media, PA (US);
Donnan E Priester, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; B29K / ;
U.S. Cl.
CPC ...
525199 ; 264211 ; 264349 ; 264169 ; 525200 ;
Abstract
An extrusion process for difficultly melt processible resins, for example, a difficultly-melt-processible hydrocarbon polymer, having improved processibility and having incorporated therein an elastomeric fluorocarbon copolymer, for example, an amorphous vinylidene fluoride copolymer, and a crystalline vinylidene fluoride polymer.