摘要:
The present invention is concerned with the stabilization of proteases in built, anionic rich, aqueous detergent compositions. More particularly, applicants have discovered that propionic acid or a propionic salt capable of forming propionic acid unexpectedly increases stability relative to other stabilizers, e.g., formic acid or acetic acid (or salts thereof), used in these compositions.
摘要:
The present invention provides a system for releasing an acid from acid precursors using an esterase enzyme (i.e., enzyme having esterase activity) as the activator.
摘要:
This invention provides a liquid detergent composition comprising:(a) 5-85% by weight of a surfactant selected from the group consisting of anionic, nonionic, cationic, ampholytic or zwitterionic surfactants and mixtures thereof;(b) an effective amount of enzyme; and(c) an amount of protein containing quaternary nitrogen substituent sufficient to stabilize the enzyme from loss of activity.
摘要:
A stable aqueous enzymatic detergent composition comprising:(a) from about 5 to about 65% by weight of a surfactant;(b) a mutant subtilisin enzyme in which the amino acid sequence has been changed at least at positions 195 and 222 by substitution with another amino acid, said enzyme being added in sufficient quantity to have an activity level of 0.01 to 200,000 GU/g;said composition being essentially free from bleaching agents and/or comprising (c) a further enzyme selected from the group consisting of lipases, amylases and cellulases.