logo

For the Inventor, By the Inventor

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 11643773 B1

PDFFull Text
Date of Patent:
May. 09, 2023

Filed:

Mar. 17, 2020

Grain-finished leather-like sheet

Applicant:

Kuraray Co., Ltd., Kurashiki, JP;

Inventors:

Tetsuya Ashida, Osaka, JP;

Kansai Hara, Osaka, JP;

Assignee:

KURARAY CO., LTD., Kurashiki, JP;

Attorney:

Element IP, PLC

Primary Examiner:

Lawrence D Ferguson

Int. Cl.
CPC ...
B32B 27/12 (2006.01); D06N 3/14 (2006.01); B32B 5/02 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/40 (2006.01); D06N 3/00 (2006.01);
U.S. Cl.
CPC ...
D06N 3/145 (2013.01); B32B 5/022 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/20 (2013.01); B32B 27/40 (2013.01); D06N 3/0011 (2013.01);
Abstract

Disclosed is a grain-finished leather-like sheet including: a fiber base material; a polyurethane intermediate layer stacked on the fiber base material; and a polyurethane skin film stacked directly on the polyurethane intermediate layer or via another polyurethane layer, wherein the polyurethane skin film contains a silicone-modified polyurethane, and the grain-finished leather-like sheet has an uneven surface whose skewness (Ssk), kurtosis (Sku), and maximum height (Sz) of surface roughness in accordance with ISO 25178 respectively satisfy −0.4≤Ssk≤−0.2, 3≤Sku≤4, 60 μm≤Sz≤150 μm.

Find Patent Forward Citations

Ashida, Tetsuya. (2023). Grain-finished leather-like sheet (U.S. Patent No. 11643773). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11643773

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…