C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 9/96 (2006.01) C11D 3/386 (2006.01) C12N 9/64 (2006.01)
Patent
CA 2213122
Methods for stabilizing enzymes in liquid compositions, including those liquid compositions having a high water content and those stabilized enzyme liquid compositions formed thereby. The method involves forming the enzyme, so that it is in an insoluble form thereof and then adding thereto an agent for maintaining the enzyme in the insoluble form thereof. Examples of such insoluble forms are crystal forms of the enzyme. Enzymes which are stabilized in this manner are useful for combining with liquid compositions, including liquid compositions having a high water content. The method is particularly useful for the preparation of stable enzyme-containing liquid detergent compositions.
Des procédés permettent de stabiliser des enzymes présentes dans des compositions liquides même si ces dernières contiennent une forte proportion d'eau, et on décrit des compositions liquides ainsi constituées avec de telles enzymes stabilisées. Un procédé consiste à produire l'enzyme sous une forme non soluble puis à lui ajouter un agent qui la maintient non soluble. Des exemples de formes non solubles englobent les formes cristallines d'une enzyme. Des enzymes stabilisées de cette façon peuvent se combiner à des compositions liquides, même si ces dernières contiennent une forte proportion d'eau. Ce procédé est particulièrement utile pour préparer des compositions de détergents liquides contenant des enzymes stables.
Patel Chimanbhai P.
Shetty Jayarama K.
Genencor International Inc.
Robic
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