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US 3,944,470 AGranted
Stabilization and enhancement of enzymatic activity
AssigneeThe Procter & Gamble Company
InventorsFrancis Louvaine Diehl, Eugene Zeffren, Edward John Milbrada
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Abstract
Enzyme-containing compositions having improved stability and enzymatic activity in aqueous medium, comprising an enzyme and certain aminated polysaccharides, such as aminated cellulose and aminated starch. Enzymatic detergent compositions comprising certain organic surface-active agents in combination with enzymes and aminated polysaccharides are disclosed as well.
Claims6
An enzyme composition having improved activity and stability in aqueous solution comprising:
- a. an enzyme;
- and
- b. an aminated polysaccharide selected from cellulose, hydroxyethylcellulose, methyl cellulose or starch having from about 0.01% to about 2% by weight of nitrogen in its elemental composition,
- wherein the weight ratio of said aminated polysaccharide to said enzyme is in the range from about 500:1 to 1:1.
1 more element
Dependencies are inferred from the claim text.