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:
Aug. 17, 1999
Filed:
Sep. 10, 1997
Applicant:
Inventors:
Yuuta Kumano, Mie, JP;
Mitsutoshi Aritomi, Mie, JP;
Kenji Takasaki, Mie, JP;
Osamu Nishizawa, Mie, JP;
Nobuhiro Shibuya, Ibaraki, JP;
Hisao Ochiai, Ibaraki, JP;
Kenji Nakajima, Tokyo, JP;
Assignee:
Oji-Yuka Synthetic Paper Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4283155 ; 4283044 ; 428910 ;
Abstract
A porous molded article having microvoids therein which comprises a stretched product of a resin molded material made up of, as the base material, an olefinic resin composition containing from 95 to 50% by weight of a crystalline olefinic resin component (A) and from 5 to 50% by weight of a polymer of a cyclic olefin having a weight average molecular weight of not less than 1,000 and less than 10,000 and a glass transition point of from 180 to 400.degree. C. component (B).