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:
Dec. 10, 2013
Filed:
Nov. 27, 2006
Gen Koide, Anpachi-gun, JP;
Nobuhiro Maeda, Otsu, JP;
Masaru Ueno, Anpachi-gun, JP;
Yoshikazu Yakake, Omihachiman, JP;
Gen Koide, Anpachi-gun, JP;
Nobuhiro Maeda, Otsu, JP;
Masaru Ueno, Anpachi-gun, JP;
Yoshikazu Yakake, Omihachiman, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
The invention provides a leather-like sheet material which is excellent in surface appearance, texture and physical properties and considerate of the environment; a process for the production thereof; and interior, clothing, and industrial materials made by using the same. A leather-like sheet material made from a nonwoven fabric which is constituted of ultra-fine fibers having a mean single-fiber fineness of 0.001 to 0.5 dtex and impregnated with a self-emulsifiable polyurethane, wherein the self-emulsifiable polyurethane and the ultra-fine fibers do substantially not adhere closely to each other, the moieties of the polyurethane have a nonporous structure, and the polyurethane has a structure crosslinked by siloxane bond in the molecular structure.