Microencapsulated alkaloidal material and method of producing sa

Details Microencapsulated alkaloidal material and method of producing sa Microencapsulated alkaloidal material and method of producing sa

1978-03-13

1984-08-07

Lovering, Richard D.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

131352, 131369, 264 43, 424 19, 424 33, 424 35, 424197, 424264, 426 89, 42721333, 42840224, B01J 1302, A01N 2528

Patent

active

044644345

ABSTRACT:
Microcapsules having a core of an alkaloidal material surrounded by a protective cross-linked polymeric wall are disclosed. The microcapsules are produced by intermixing a polymeric wall material with a liquid vehicle to form a solution thereof as a continuous first phase, and mixing the solution with an alkaloidal material. The produced admixture is agitated to disperse the alkaloidal material as a plurality of discrete minute core material entities in the first phase, and thereafter, phase separation is induced to separate the polymeric wall material from the liquid vehicle so that the wall material forms embryonic sheaths about the core material entities. The polymeric wall material is then cross-linked to form protective walls around each of the core material entities.

REFERENCES:
patent: 2343360 (1944-03-01), Arnold
patent: 2431672 (1947-12-01), Arnold
patent: 3460972 (1969-08-01), Nack
patent: 3674704 (1972-07-01), Bayless et al.
patent: 3748277 (1973-07-01), Wagner
patent: 3931824 (1976-01-01), Miano et al.

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