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:
Aug. 05, 2025
Filed:
Apr. 10, 2020
Applicant:
Nof Corporation, Shibuya-ku, JP;
Inventors:
Norio Iwakiri, Kawasaki, JP;
Shu Takashima, Kawasaki, JP;
Yosuke Matsuoka, Yokohama, JP;
Eiji Harata, Handa, JP;
Assignee:
NOF CORPORATION, Shibuya-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 30/02 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08F 30/02 (2013.01); G02B 1/041 (2013.01);
Abstract
The invention is a phosphorylcholine group-containing vinyl monomer represented by the following formula (1): in the formula (1) R represents an alkylene group having 1 to 6 carbon atoms, and n represents an integer of 1 to 6. The invention provides a phosphorylcholine group-containing vinyl monomer useful as a raw material for a hydrogel having a lowered water content while maintaining surface hydrophilicity.