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. 14, 1991
Filed:
Jan. 26, 1990
Toshio Fujii, Kurashiki, JP;
Kazuhiro Kato, Kurashiki, JP;
Tasuku Suzuki, Kurashiki, JP;
Minoru Kashino, Yokohama, JP;
Mitsubishi Kasei Corporation, Tokyo, JP;
Abstract
Disclosed herein is a porous film having a thickness of 90 .mu.m or less obtained by uniaxially stretching a film produced by blow-extruding a composition comprising a linear polyethylene, filler and a radical forming agent, the bending resistance of the porous film in both the machine and transverse directions being 50 mm or less, the moisture permeability of the porous film being 1500 g/m.sup.2 .multidot.24 hr or above, and the surface strength of the porous film satisfying the following relation (I):
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile