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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 12392693 B1

PDFFull Text
Date of Patent:
Aug. 19, 2025

Filed:

Apr. 29, 2021

Hydrophilic substrate and method for preparing hydrophilic substrate

Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventor:

Yasuhisa Minagawa, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Samir Shah

Int. Cl.
CPC ...
G01N 1/40 (2006.01); C08F 120/28 (2006.01); C09D 133/14 (2006.01); B32B 27/06 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
G01N 1/4077 (2013.01); C08F 120/28 (2013.01); C09D 133/14 (2013.01); B32B 27/06 (2013.01); B32B 27/30 (2013.01); B32B 27/304 (2013.01); B32B 27/308 (2013.01); B32B 27/322 (2013.01); B32B 2327/00 (2013.01); B32B 2331/04 (2013.01); B32B 2333/04 (2013.01); B32B 2333/08 (2013.01); B32B 2333/12 (2013.01);
Abstract

Provided are hydrophilic substrates provided with a hydrophilic polymer layer having controlled surface uniformity and irregularities, and methods for preparing the hydrophilic substrates. Included are hydrophilic substrates including a substrate having a surface containing at least one group represented by —N(R)or —N(R)wherein each Ror Ris the same or different and represents a hydrogen atom or a substituted or unsubstituted hydrocarbon group optionally containing a hetero atom; and a hydrophilic polymer layer provided on the surface of the substrate.

Find Patent Forward Citations

Minagawa, Yasuhisa. (2025). Hydrophilic substrate and method for preparing hydrophilic substrate (U.S. Patent No. 12392693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12392693

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

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