C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 47/067 (2006.01) C09B 1/00 (2006.01) C09B 7/00 (2006.01) C09B 11/00 (2006.01) C09B 19/00 (2006.01) C09B 23/00 (2006.01) C09B 43/00 (2006.01) C09B 57/00 (2006.01) G11B 7/00 (2006.01) G11B 7/244 (2006.01) G11B 7/248 (2006.01) G11B 7/249 (2006.01)
Patent
CA 2098125
- 85 - ABSTRACT OF THE DISCLOSURE The present invention provides a light-absorbing compound represented by the formula (I): Dye-(OR1)(OR2)(OR3) ??? (ORn) (I) wherein Dye is a light-absorbing compound residue having at least one aromatic ring; OR1 to ORn are substituents on the aromatic ring, and are independently (a) substituted or unsubstituted saturated hydrocarbonoxy groups having 1 to 20 carbon atoms, or (b) substituted or unsubstituted unsat- urated hydrocarbonoxy groups having 2 to 20 carbon atoms, and at least one of OR1 to ORn is an unsaturated hydrocarbon- oxy group; and n is a value of from 1 to 10. The present invention also provides an optical recording medium con- taining the above-mentioned light-absorbing compound in a recording layer.
Aihara Shin
Itoh Hisato
Oguchi Takahisa
Oi Ryu
Sugimoto Kenichi
Mitsui Toatsu Chemicals Inc.
Sim & Mcburney
Yamamoto Chemicals Incorporated
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