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:
Jun. 01, 2021
Filed:
Feb. 22, 2017
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Rumiko Kitagawa, Otsu, JP;
Masataka Nakamura, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 27/50 (2006.01); A61L 15/00 (2006.01); A61L 27/36 (2006.01); A61L 31/04 (2006.01); B32B 27/30 (2006.01); A61L 33/06 (2006.01); A61K 9/70 (2006.01); B05D 7/24 (2006.01); A61L 27/00 (2006.01);
U.S. Cl.
CPC ...
A61L 27/50 (2013.01); A61K 9/70 (2013.01); A61L 15/00 (2013.01); A61L 27/00 (2013.01); A61L 27/3683 (2013.01); A61L 31/04 (2013.01); A61L 33/06 (2013.01); B05D 7/24 (2013.01); B32B 27/30 (2013.01);
Abstract
A device includes a substrate and a hydrophilic polymer layer made of a hydrophilic polymer having a hydroxyl group. The hydrophilic polymer layer having a hydroxyl group is fixed to at least a part of a surface of the substrate and the hydrophilic polymer further has an amide group. A liquid film retention time of the device is 15 seconds or more. The device has a surface of a substrate which is hydrophilized. A method for producing the device by a simple method is also disclosed.