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:
Jun. 19, 2012
Filed:
Dec. 25, 2007
Daisuke Sawamoto, Tokyo, JP;
Nobuhide Tominaga, Tokyo, JP;
Daisuke Sawamoto, Tokyo, JP;
Nobuhide Tominaga, Tokyo, JP;
Adeka Corporation, Tokyo, JP;
Abstract
An oxime ester compound of formula (I) useful as a photopolymerization initiator. A photopolymerization initiator having the oxime ester compound as an active ingredient is activated through efficient absorption of light of long wavelength, e.g., 405 nm or 365 nm, to exhibit high sensitivity. In formula (I), Rand Rare each R, OR, COR, SR, CONRR, or CN; R, R, and Rare each hydrogen, a C1-C20 alkyl group, C6-C30 aryl group, a C7-C30 arylalkyl group, or a C2-C20 heterocyclic group; Rand Rare each R, OR, SR, COR, CONRR, NRCOR, OCOR, COOR, SCOR, OCSR, COSR, CSOR, CN, halogen, or a hydroxyl group; a and b is each 0 to 4; X is oxygen, sulfur, selenium, CRR, CO, NR, or PR; and R, R, R, and Reach have the same meaning as R.