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:
Mar. 17, 2015
Filed:
Dec. 13, 2012
Applicant:
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Inventors:
Dae Kyung Yoon, Asan-si, KR;
Kyoung Jin Ryu, Asan-si, KR;
Sung Jae Lee, Asan-si, KR;
Hyun Sang Joo, Daejon, KR;
Assignee:
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 (2006.01); C07C 381/12 (2006.01); G03F 7/031 (2006.01); G03F 7/039 (2006.01);
U.S. Cl.
CPC ...
G03F 7/031 (2013.01); G03F 7/0045 (2013.01); G03F 7/0395 (2013.01); G03F 7/0397 (2013.01); Y10S 430/114 (2013.01); Y10S 430/115 (2013.01);
Abstract
Disclosed are a hydrophilic photoacid generator prepared by copolymerization of a first (meth)acrylic acid ester having a structure represented by the following Formula 1 or 2, with a polymerizable monomer selected from the group consisting of a second (meth)acrylic acid ester, an olefin-based compound and a mixture thereof, each of which contains a functional group selected from the group consisting of a hydroxyl group, a carboxyl group, a lactone group, a nitrile group and a halogen group: