Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1998-03-24
1999-10-19
Bell, Mark L.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
546 21, 546 23, 546 24, 546 79, 546 81, 546155, 106493, C08K 500
Patent
active
059682523
ABSTRACT:
Compounds of formula ##STR1## wherein R and R' are each independently of the other hydrogen, C.sub.1 -C.sub.18 alkyl, COR.sub.1, COR.sub.2 or COOR.sub.1,
REFERENCES:
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patent: 4782153 (1988-11-01), Rochat et al.
patent: 5750758 (1998-05-01), Zambounis et al.
patent: 5776949 (1998-07-01), Cordi et al.
G.P. Ellis, "Synthesis of Fused Heterocycles, Part 2", 1992, XP-002069951.
Moretti Robert
Wooden Gary
Bell Mark L.
Ciba Specialty Chemicals Corporation
Crichton David R.
Hertzog Scott L.
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