Owner MITSUI CHEMICALS, INC. YAMAMOTO CHEMICALS, INC.

Inventors INOUE, Shinobu; NISHIMOTO, Taizo; NAKAGAWA, Shinichi; SAITO, Yasunori; KOIKE, Tadashi; MURAYAMA, Shunsuke; INATOMI, Yuji; NARA, Ryosuke; MISAWA, Tsutami

Pub. Number AU-A-2003227274

PCT Number PCT/JP03/03840

PCT Pub. Number WO2003/082593

Priority 2002-290155 02.10.02 JP; 2002-96351 29.03.02 JP

Filing date 27 March 2003

Wipo publication date 13 October 2003

B41M 005/26 Duplicating or marking methods - Thermography

C07D 491/048 Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

G11B 007/24 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Record carriers characterised by the selection of the material or by the structure or form

C09B 023/04 Quinoline or polymethine dyes

C07D 495/04 Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms

C07D 209/70 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom