Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1996-06-13
1998-08-04
Shah, Mukund J.
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510393, 510417, 510418, 510465, 510530, C11D 1704, C11D 742, C11D 1700, C11D 3386
Patent
active
057893640
ABSTRACT:
The invention provides a high water liquid enzyme prewash composition essentially free of hydrotropes, solvents, dispersants and surfactants, other than nonionic surfactants, combining: a hydrolase enzyme stabilized with a first enzyme stabilizer, wherein the first enzyme stabilizer is a soluble alkaline earth salt; a more hydrophilic, first nonionic surfactant having an HLB of greater than about 11; a more hydrophobic, second nonionic surfactant having an HLB of less than or equal to about 11; and at least about 80-99% water; wherein the difference in HLB between the first and the second nonionic surfactants is at least 2; the nonionic surfactants interact with the water to form an opalescent, structured liquid; the first and the second nonionic surfactants are selected from the group consisting of alkoxylated alcohols and alkoxylated alkylphenols; the structured liquid both suspends the hydrolase and protects the hydrolase against deactivation with water. The inventive high water liquid enzyme prewash compositions may also contain a second hydrolase enzyme and a second enzyme stabilizer. Suitable adjuncts, such as mildewstats, bacteriostats, fragrances and dyes may also be included.
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DeLeeuw David Lawrence
Koerner Michael
Sells Todd Douglas
Coleman Brenda
Kantor Sharon R.
Shah Mukund J.
The Clorox Company
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