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. 31, 2005
Filed:
Jul. 02, 2002
Hisao Yoneda, Okayama, JP;
Yoshiki Nobuto, Okayama, JP;
Kohei Hayashi, Okayama, JP;
Kuraray Co., Ltd., Kurashiki, JP;
Abstract
A leather-like sheet material comprising a substrate layer composed of an entangled nonwoven fabric consisting of ultrafine fibers and an elastic polymer or elastomer filled therein and having, on one side (side A) of the substrate layer, a grain layer comprising an elastomer mainly consisting of a polyurethane, wherein the ultrafine fibers (a) constituting the side A of the substrate layer have a mean fineness substantially within the range of 0.01 to 0.5 decitex and the ultrafine fibers (b) substantially constituting the other side (side B) opposite to the side A of the substrate layer have a mean fineness of not more than ½ of the mean fineness of the ultrafine fibers (a).