Abstract: Liquid enzyme formulations which contain the enzyme in the form of aqueous enzyme particle suspension, colloidal fillers and a liquid alkylene oxide polymer based on ethylenediamine and having a molecular weight in the range from 500 to 8200. The liquid enzyme formulations of the invention may contain any enzyme customarily incorporated in detergents or used for cleaning purposes, especially alkaline proteases. Processes for preparing such liquid enzyme formulations and for using them in liquid detergents and/or cleaners are also disclosed.
Type:
Grant
Filed:
June 9, 1994
Date of Patent:
September 24, 1996
Assignee:
Solvay Enzymes GmbH & Co. KG.
Inventors:
Wilfried Hahn, Hubert Herrman, Torsten Kiesser, Vera Sander
Abstract: A method for bleaching textile material, including preparing an aqueous alkaline solution of a bleaching agent composed of formamidine sulfinic acid and at least one carbohydrate having a general total formula C.sub.n H.sub.2n O.sub.n, the formamidine sulfinic acid and the at least one carbohydrate having a weight ratio with respect to one another which ranges from 80:20 to 99:1; and bleaching textile material composed at least in part of cellulose materials by contacting the textile material with the bleaching agent at a temperature above 50.degree. C. therefor.