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:
Nov. 16, 2010
Filed:
Nov. 20, 2007
Applicants:
Masami Ishihara, Kawagoe, JP;
Yoji Urano, Kawagoe, JP;
Masahiro Takahashi, Kawagoe, JP;
Inventors:
Assignee:
Wako Pure Chemical Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/48 (2006.01); G03C 1/00 (2006.01); C07D 311/16 (2006.01); C07D 311/86 (2006.01); C07D 335/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a heterocycle-containing onium salt useful as, for example, a cationic photopolymerization initiator and an acid generator for a chemically amplified resist, and provides a heterocycle-containing onium salt shown in the specification.