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.:

US 7442429 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 28, 2008

Filed:

Apr. 26, 2005
Applicants:

Masaru Makimura, Okayama, JP;

Hisao Yoneda, Okayama, JP;

Inventors:

Masaru Makimura, Okayama, JP;

Hisao Yoneda, Okayama, JP;

Assignee:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); B32B 5/02 (2006.01); B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A grain-finished artificial leather composed of a base layer and a coating layer Y formed on one of the surfaces of the base layer. The base layer is composed of an entangled nonwoven fabric X made of bundles of microfine fibers having an average single fiber fineness of 0.07 dtex or less and impregnated with a polymeric elastomer A and a polymeric elastomer B. The entangled nonwoven fabric X is composed of a lower layer Xand an upper layer Xwherein the lower layer Xis impregnated mainly with the polymeric elastomer A which is substantially not adhered to the bundles of microfine fibers and the upper layer Xis impregnated mainly with the polymeric elastomer B which is substantially not adhered to the bundles of microfine fibers. The coating layer Y is composed of a coating layer Yhaving a thickness of 1 to 10 μm which is made of the polymeric elastomer B and formed on the upper layer X, a coating layer Ywhich is made of a polymeric elastomer C and formed on the coating layer Y, and a finished layer Ywhich is formed on the coating layer Y. The grain-finished artificial leather having the above structure combines a natural leather-like, delicate appearance, a good softness and flexibility, and a high peel strength.


Find Patent Forward Citations

Loading…