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. 26, 2006
Filed:
Mar. 19, 2004
Hiroo Takizawa, Kanagawa, JP;
Masaharu Akiba, Kanagawa, JP;
Takeharu Tani, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A two-photon absorbing polymerizable composition contains at least a two-photon absorbing compound, a polymerization initiator and a polymerizable compound, the composition being photopolymerizable upon non-resonant two-photon absorption, wherein the two-photon absorbing compound is a methine dye containing a compound represented by the formula (1): wherein Rto Reach represents a hydrogen atom or a substituent and some of Rto Rmay combine with each other to form a ring; n and m each independently represents an integer of 0 to 4, provided that n and m are not 0 at the same time; Xand Xeach represents an aryl group, a heterocyclic group or a group represented by formula (2); Rrepresents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or a heterocyclic group, and Zrepresents an atomic group for forming a 5- or 6-membered ring.