Naphthalocyanines

Details Naphthalocyanines Naphthalocyanines

1994-06-08

1996-04-30

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106410, 106411, 540141, C09B 6750

Patent

active

055120954

ABSTRACT:
Naphthalocyanines of the general formula I ##STR1## where the variables have the following meanings: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each independently of the others hydrogen, hydroxyl or C.sub.1 -C.sub.20 -alkyl or C.sub.1 -C.sub.20 -alkoxy, whose carbon chains may each be interrupted by from 1 to 4 oxygen atoms in ether function and which may be phenyl-substituted,

REFERENCES:
patent: 2857400 (1958-10-01), Cooper, II
patent: 3523030 (1970-08-01), Malin et al.
patent: 5250207 (1993-10-01), Kormann et al.
patent: 5282894 (1994-02-01), Albert et al.
Ullman's Encyclopedia of Industrial Chemistry, 5th ed., vol. A20, p. 225, ed. B. Elvers, VCH, Weinheim, 1992. No Month.

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