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. 07, 2021
Filed:
Jul. 02, 2019
Nippon Paint Marine Coatings Co., Ltd., Osaka, JP;
Naoki Yamamori, Osaka, JP;
Mamoru Shimada, Osaka, JP;
Yasuhisa Nagase, Osaka, JP;
Masayuki Matsuda, Osaka, JP;
NIPPON PAINT MARINE COATINGS CO., LTD., Osaka, JP;
Abstract
Provided are a copolymer containing: a structural unit (A) derived from a polymerizable monomer (a) having a silicon atom-containing group represented by formula (1) [wherein R, R, and Reach independently represent a hydrocarbon group having a carbon number of 1 to 6]; and a structural unit (B) derived from a polymerizable monomer (b) copolymerizable with the polymerizable monomer (a) with the content of the structural unit (A) being from 40 mass % to 80 mass % in 100 mass % of the copolymer, the content of the structural unit (B) being from 20 mass % to 60 mass % in 100 mass % of the copolymer, and an acid value derived from free carboxy group being from 0.1 KOHmg/g to 60 KOHmg/g; and an antifouling coating composition containing the copolymer.