Enzyme containing coated granules

Details Enzyme containing coated granules Enzyme containing coated granules

C - Chemistry, Metallurgy

12

N

C12N 9/98 (2006.01) C11D 3/37 (2006.01) C11D 3/386 (2006.01) C11D 17/00 (2006.01) C12N 11/02 (2006.01) C12N 11/04 (2006.01) C12N 11/14 (2006.01)

Patent

CA 2239335

A granular enzyme composition is disclosed, having reduced tendencies to form dust and leave residue, and exhibiting improved stability and delayed release characteristics. The granular composition comprises a core, an enzyme layer and an outer coating layer. The enzyme layer, and optimally the core and coating layers, contain a vinyl polymer. Also disclosed are methods for making such enzyme-containing granules, the methods having greatly reduced processing time.

Composition enzymatique granulaire présentant une tendance réduite à former de la poussière et des résidus, ainsi que des caractéristiques améliorées de stabilité et de libération retard. Ladite composition granulaire possède un noyau, une couche enzymatique et une couche externe d'enrobage. La couche enzymatique et, de manière idéale, le noyau et les couches d'enrobage contiennent un polymère de vinyle. Des procédés de préparation desdites granules contenant des enzymes sont également décrits, lesdits procédés permettant une réduction considérable de la durée de préparation.

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