METHOD OF PREPARING MICROCAPSULES Russian patent published in 1998 - IPC

Abstract RU 2122464 C1

FIELD: microcapsulation of materials. SUBSTANCE: invention, in particular, concerns microcapsulation of liquid- phase materials with restricted solubility in water. Gelatin is modified by adding 1 to 50 mcmol/g of C₁₂-C₁₈-n-alkanoic acid at pH at least 8.0. Nucleus material is emulsified in resulting solution and to emulsion, agents reducing solubility within the pH range 2.5-3.5 are added. Gelatin is then precipitated onto surface of emulsion drops to form shells. Method is fit for use in chemical industry, medicine, mechanical engineering, and in consumer services sector. EFFECT: increased yield of desired product with specified properties of shells. 1 tbl, 15 ex

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RU 2 122 464 C1

Authors

Latyshev V.N.

Naumov A.G.

Borovkov N.Ju.

Chirkin S.A.

Dates

1998-11-27—Published

1996-09-11—Filed