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, 2025
Filed:
Aug. 19, 2020
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 ...
B29D 11/00 (2006.01); A61L 15/24 (2006.01); A61L 29/08 (2006.01); A61L 29/12 (2006.01); A61L 29/14 (2006.01); A61L 31/10 (2006.01); A61L 31/12 (2006.01); A61L 31/14 (2006.01); G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
A61L 15/24 (2013.01); A61L 29/08 (2013.01); A61L 29/12 (2013.01); A61L 29/14 (2013.01); A61L 31/10 (2013.01); A61L 31/12 (2013.01); A61L 31/14 (2013.01); G02C 7/04 (2013.01);
Abstract
The present invention provides a method of manufacturing a medical device including a substrate and a hydrophilic polymer layer, including the steps of: placing the substrate in a solution containing a hydrophilic polymer and a normal salt in an amount ranging from 1.0 to 20% by mass; and heating the solution at a temperature ranging from 50° C. to 140° C. The present invention provides a simple method of manufacturing a medical device having excellent durability and imparted with hydrophilicity.