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:
Apr. 13, 2021
Filed:
Jan. 02, 2019
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Inventors:
Yasuhisa Minagawa, Kobe, JP;
Mitsuko Takii, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/28 (2006.01); C09D 133/14 (2006.01); C08K 5/315 (2006.01); C08F 120/28 (2006.01); C08J 7/04 (2020.01);
U.S. Cl.
CPC ...
C08F 20/28 (2013.01); C08F 120/28 (2013.01); C08J 7/0423 (2020.01); C08K 5/315 (2013.01); C09D 133/14 (2013.01); C08F 2500/01 (2013.01); C08J 2333/14 (2013.01); C08J 2333/16 (2013.01);
Abstract
The present invention provides a hydrophilic substrate including a hydrophilic polymer layer having a smooth surface and formed of a special polymer (hydrophilic polymer). Included is a hydrophilic substrate including on its surface a hydrophilic polymer layer formed of a hydrophilic polymer having a number average molecular weight of 40,000 or more.