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:
Sep. 05, 2023
Filed:
Dec. 03, 2018
Applicant:
Nof Corporation, Tokyo, JP;
Inventors:
Shunsuke Sakurai, Kawasaki, JP;
Masatomo Takahashi, Oita, JP;
Norio Iwakiri, Oita, JP;
Koji Miyamoto, Kawasaki, JP;
Takanori Fujita, Oita, JP;
Assignee:
NOF CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/00 (2006.01); C08F 230/02 (2006.01); C08L 43/02 (2006.01); G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
C11D 3/0078 (2013.01); C08F 230/02 (2013.01); C08L 43/02 (2013.01); G02C 7/04 (2013.01);
Abstract
Provided is a treating solution for soft contact lenses capable of imparting hydrophilicity and sustainability thereof to a soft contact lens surface. It has been found that a treating solution for soft contact lenses containing a copolymer that contains two kinds of monomers different from each other as constituent units at a specific ratio, and that has a specific weight-average molecular weight can impart excellent hydrophilicity and sustainability thereof.