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US 11,827,866 B2Granted
Stable enzyme solutions and method of manufacturing
AssigneeNovozymes A/S
InventorKim Bruno Andersen
Life of this patent
Estimating the term…
Abstract
The invention relates to the stabilization during storage of enzymes comprised in liquid detergent compositions.
Claims10
An aqueous liquid detergent composition comprising a dissolved subtilisin, 4-formyl-phenyl-boronic acid (4-FPBA), and at least one added dissolved salt constituent, wherein the anion of the salt constituent is selected from chloride, sulphate, nitrate, and acetate, wherein the cation of the salt constituent is selected from Mg, Zn, Na, K, and NH4, wherein the salt constituent is present in an amount of 0.5 to 5% by weight of the total composition,
- wherein the pH of the liquid composition is 8.0 to 9.5;
- and
- wherein the composition comprises 1-65% of a non-phosphorous detergent builder.
Dependencies are inferred from the claim text.