Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1997-03-17
1999-05-25
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524431, 524432, 524433, C08K 300
Patent
active
059070080
ABSTRACT:
A black coloring composition comprising, a black inorganic pigment formed of an oxide having an average particle diameter of 0.5 .mu.m or less and comprising at least one kind of metal s elected from metals belonging to Groups 4 to 11 and also to the fourth period, at least one kinds of dispersant selected from the group consisting of polyvinyl butyral resin represented by the following general formula (1), polyacrylic resin represented by the following general formula (2), and a higher carboxylic acid represented by the following general formula (3), and an organic solvent: ##STR1## wherein x=0.01 to 0.9, y.ltoreq.0.05, and n is an integer; ##STR2## wherein R.sup.1 is selected from hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group and a substituted or unsubstituted aromatic hydrocarbon group, R.sup.2 is selected from a substituted or unsubstituted aliphatic hydrocarbon group and a substituted or unsubstituted aromatic hydrocarbon group, R.sup.3 is selected from hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group and a substituted or unsubstituted aromatic hydrocarbon group, a=0 to 0.9, and n is an integer;
REFERENCES:
patent: 5645752 (1997-07-01), Weiss et al.
Yuji Yamamoto, et al., "Optical Absorption of Transition Element Oxide-Silica Coating Films Prepared by Sol-Gel Method", Yogyo-Kyokai-Shi, vol. 91, No. 5, 1983, pp. 222-229.
Fujioka Sawako
Hayase Shuji
Hirayama Hideo
Ito Takeo
Mikoshiba Satoshi
Cain Edward J.
Kabushiki Kaisha Toshiba
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