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. 09, 2002
Filed:
Nov. 30, 1999
Applicant:
Inventors:
Takashi Mimura, Shiga, JP;
Akimitsu Tsukuda, Kyoto, JP;
Yasushi Takada, Shiga, JP;
Hiroyuki Tanaka, Shiga, JP;
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/708 ; B32B 2/734 ;
U.S. Cl.
CPC ...
B32B 2/708 ; B32B 2/734 ;
Abstract
A laminated film containing a heat resisting resin layer which is soluble in a dipolar aprotic solvent, is laminated on a biaxially oriented thermoplastic film, wherein the biaxially oriented thermoplastic film and the heat resisting resin layer are directly adhered to each other, and the heat resisting resin is stretched at least in one direction after coating; there is no intervening adhesive layer; the resulting laminated film has excellent adhesion and flatness, and a resin laminated film having high flatness and productivity is provided.