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. 03, 1988
Filed:
Mar. 28, 1986
Applicant:
Inventors:
Toshiharu Konishi, Osaka, JP;
Hadekazu Takashashi, Osaka, JP;
Yoshitsugu Hasegawa, Osaka, JP;
Kazunori Yamamoto, Osaka, JP;
Kenji Sano, Osaka, JP;
Hideyuki Okada, Osaka, JP;
Assignee:
Nitto Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428215 ; 428339 ; 4284231 ; 4284237 ; 428447 ; 428480 ; 428483 ;
Abstract
A composite release sheet material comprising a thermoplastic low-adhesive thin layer having a thickness of at least 5 .mu.m and a synthetic resin film layer having a greater tensile strength than the thin layer and, if desired, an anchor coat layer therebetween is disclosed. The composite release sheet material has an improved dimensional stability.