Double-walled microcapsules and a process for preparation of sam

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter

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264 47, 4284022, 503215, 512 4, 430138, B01J 1310, B01J 1318, B01J 1320

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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:

REFERENCES:
patent: 3372085 (1968-03-01), Westfall et al.
patent: 3864275 (1975-02-01), Kan et al.
patent: 4000087 (1976-12-01), Maalouf
patent: 4223060 (1980-09-01), Raine et al.
patent: 4228031 (1980-10-01), Iwasaki et al.
patent: 4396670 (1983-08-01), Sinclair
patent: 4409156 (1983-10-01), Hoshi et al.
patent: 4891172 (1990-01-01), Matsushita et al.
patent: 4977060 (1990-12-01), Liang et al.
Derwent Abstract, WP1 #78-59536A/33 Mitsubishi Paper Mill JP 53079611, A (1978).

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