Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1991-10-29
1993-01-19
Stoll, Robert L.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
264 47, 4284022, 503215, 512 4, 430138, B01J 1310, B01J 1318, B01J 1320
Patent
active
051806371
ABSTRACT:
The invention relates to double-walled microcapsules each having a core of a hydrophobic substance, and a primary wall and a secondary wall formed therearound, the microcapsules being characterized in that the primary wall is composed of an amino resin prepared by polycondensation reaction of at least one member selected from the group consisting of:
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Derwent Abstract, WP1 #78-59536A/33 Mitsubishi Paper Mill JP 53079611, A (1978).
Covert John M.
Sakura Color Products Corporation
Stoll Robert L.
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