Process for the microencapsulation of water-emulsifiable non-the

Details Process for the microencapsulation of water-emulsifiable non-the Process for the microencapsulation of water-emulsifiable non-the

1996-11-15

1999-01-26

Lovering, Richard D.

Plant protecting and regulating compositions

Plant growth regulating compositions

71DIG1, 427 214, 4272133, 42721331, 42723136, 427359, 264 41, 264 43, 264 433, 264 46, 426 98, A01N 2528, A61K 746, A23L 342, B01J 1304

Patent

active

058638628

ABSTRACT:
The invention relates to a process for the preparation of microcapsulated flakes or powders by drying aqueous mixtures containing (a) one or more water-emulsifiable, non-thermoplastic compounds which have a higher boiling point than waterand (b) at least one water-soluble, film-forming polymer, in which the content of component (a) is up to about 95% by weight, based on the dry weight of components (a) and (b), with the proviso that the water-soluble, film-forming polymer has a flocculation point of from 20.degree. to 98.degree. C. or the flocculation point is adjusted to from 20.degree. to 98.degree. C. with the aid of additives, and drying is carried out by thin-layer drying in a temperature range above the flocculation point.

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patent: 4954381 (1990-09-01), Cabasso et al.
patent: 5087649 (1992-02-01), Wegner et al.
patent: 5130171 (1992-07-01), Prud'Homme et al.
patent: 5641535 (1997-06-01), Eck et al.

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