Encapsulation with water soluble polymer

Details Encapsulation with water soluble polymer Encapsulation with water soluble polymer

1994-05-27

1997-02-04

Nutter, Nathan M.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

427212, 428357, B01J 1302, B05D 700, B32B 1900

Patent

active

055995837

ABSTRACT:
Molten, water soluble polymer is used as a binder for agriculturally effective active ingredients in a water free encapsulation process. For finely divided solid active ingredients, a solvent for the binder can be used to increase the amount of bound active ingredient. For water insoluble active ingredients, the binder provides a method for rendering the active ingredient dispersable in water.

REFERENCES:
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patent: 4629621 (1986-12-01), Snipes
patent: 4806337 (1989-02-01), Snipes et al.
patent: 4867902 (1989-09-01), Russell
patent: 5073295 (1991-12-01), Bruttel et al.
K. Thoma et al., "beziehungen sqischen herstellungsparametern und pharmazeutisch-technologischen anforderungen an biodegradierbare mikropartikeln", DIE Pharmazie, vol. 47, No. 2, Feb '92, pp. 115-119.

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