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:
May. 28, 1985
Filed:
Sep. 10, 1984
Applicant:
Inventor:
Kunio Murakami, Kyoto, JP;
Assignee:
Unitika Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
2642107 ; 2642902 ; 526255 ;
Abstract
A biaxially stretched film and a method for the manufacture thereof, containing at least 90 mol % of ethylene-tetrafluoroethylene copolymer, having a value of crystallization property, .DELTA.T, expressed by the equation