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:
Oct. 07, 2008
Filed:
Feb. 23, 2005
Yoshinori Kanagawa, Izumiotsu, JP;
Toshio Niwa, Izumiotsu, JP;
Toshifumi Tamaki, Tondabayashi, JP;
Hisao Yoneda, Okayama, JP;
Yoshinori Kanagawa, Izumiotsu, JP;
Toshio Niwa, Izumiotsu, JP;
Toshifumi Tamaki, Tondabayashi, JP;
Hisao Yoneda, Okayama, JP;
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Kuraray Co., Ltd., Kurashiki-shi, JP;
Abstract
A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a hot-melt urethane prepolymer (A) having isocyanate groups at molecular terminal ends and a colorant (B), and applying said heated and melted resin composition (C) to either [1] a releasable substrate (D) and then bonding the coated surface to a fibrous substrate (E), or [2] a fibrous substrate (E) and then bonding the coated surface to a releasable substrate (D); wherein the colorant (B) contains a polyol with a number average molecular weight within a range from 1,000 to 20,000 as a vehicle (B-), and a pigment (B-).