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US 2025/0017204 A1Published application
Method of preparing biodegradable microcapsules based on gelatine
AssigneeSyngenta Crop Protection AG
InventorsLewis Charles WILKINS, Andrew James COUGHLIN, Kelli Anne STOCKMAL, Martine Ingrid DE HEER, Matthew Joseph RYMARUK, Emily Louise KYNASTON, Catherine Paula WALLER
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Abstract
A method of encapsulating an agrochemical in a biodegradable capsule comprising the complex coacervation of gelatin and a carboxylated polysaccharide.
Claims19
A method of encapsulating an agrochemical in a biodegradable capsule comprising the complex coacervation of gelatin and a carboxylated polysaccharide, wherein the method comprises:
- (1) forming an emulsion of an aqueous phase comprising gelatin and an oil phase comprising the agrochemical;
- (2) adding the carboxylated polysaccharide;
- and
- (3) adding a crosslinker, and
- wherein the process does not comprise an additional emulsifier.
2 more elements
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A method of encapsulating an agrochemical in a biodegradable capsule comprising the steps of:
- (1) forming an emulsion of an aqueous phase comprising gelatin and a carboxylated polysaccharide, and an oil phase comprising an agrochemical;
- and
- (2) adding a crosslinker,
- wherein the ratio of gelatin to carboxylated polysaccharide is from 4:1 to 1:4.
1 more element
(canceled)
(canceled)
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Dependencies are inferred from the claim text.