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. 11, 2013
Filed:
Nov. 18, 2009
Yosuke Maeda, Tokyo, JP;
Ryoya Otsuki, Tokyo, JP;
Koichi Shigeno, Tokyo, JP;
Adeka Corporation, Tokyo, JP;
Abstract
A near-infrared-ray absorbing material containing a cyanine compound per formula (I) exhibits a sharp light absorption in wavelength range 800-1000 nm, with excellent light resistance. R- R, Y, Yrepresents hydrogen atom, a group of formula (II) or (II'), etc., and Anrepresents a q-valent anion, provided that at least Ris a group of formula (II) or (II′) or Anis an ion of formula (III); R- Reach represents a hydrogen atom, hydroxyl group, etc.; Z, Zrepresents a Calkyl group, etc. In formula (II′), the bond between G′ and T′ is a double bond or a conjugated double bond; G′ represents a carbon atom; T′ represents a carbon atom or a nitrogen atom; the ring including G′ and T′ represents a 6-membered ring, etc.; w′ is 0-4; and Rrepresents a hydrogen atom, hydroxy, etc. In formula (III), Rand Rrepresents a halogen-substituted Calkyl group.