Phthalocyanine compound, its intermediate, process for producing

Details Phthalocyanine compound, its intermediate, process for producing Phthalocyanine compound, its intermediate, process for producing

1998-12-28

1999-10-26

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540122, 540142, 252587, C07D48722, C09B 4704, F21V 904

Patent

active

059731400

ABSTRACT:
The invention relates to a novel phthalocyanine compound absorbing in the near infrared region of the spectrum with a high absorption coefficient which features high solubility in solvents, good compatibility with resins and high aging resistance, thus finding application as a near infrared ray absorbing material or a light-heat conversion material with great advantage and to a process for producing the phthalocyanine compound. The novel phthalocyanine compound has the following general formula: ##STR1## wherein R represents alkyl or alkoxyalkyl; X represents halogen, alkylthio, phenylthio which may be substituted, or naphthylthio which may be substituted; M represents a couple of hydrogen atoms, a divalent metal, or a trivalent or tetravalent metal derivative. The near infrared ray absorbing and light-heat conversion materials containing the above phthalocyanine compound are also described.

REFERENCES:
patent: 5783694 (1998-07-01), Hagen et al.

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