Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1996-09-13
1998-04-14
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540122, 540128, 540136, 540137, 43027017, 106410, 106411, C09B 6712, C09B 4724, C07D48722
Patent
active
057393192
ABSTRACT:
A green or near infrared light absorbing water-soluble phthalocyanine or naphthalocyanine derivative which has excellent water resistance after dyeing, is provided. The present invention provides a phthalocyanine or naphthalocyanine derivative represented by the formula: ##STR1## wherein X represents a halogen atom substituted at nucleus; M represents two hydrogen atoms, a divalent metal atom, a trivalent mono-substituted metal atom, or a tetravalent di-substituted metal atom; m represents 4 or 8; and n represents an integer of 0 to 12.
REFERENCES:
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patent: 4622179 (1986-11-01), Eda
patent: 5166338 (1992-11-01), Buch et al.
patent: 5608053 (1997-03-01), Thetford et al.
Orient Chemical Industries Ltd.
Shah Mukund J.
Sripada Pavanaram K.
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