Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1996-03-15
1998-02-03
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510326, 510349, 510394, 510444, 510461, 510477, 510509, 8648, 25230123, C11D 342, C11D 1100
Patent
active
057144516
ABSTRACT:
A powdered laundry detergent is provided with (a) a powder laundry detergent base that includes an inorganic carrier and a surfactant and (b) post-added acidulant and discrete whitening agent particles to provide a detergent having improved cool water solubility with bulk color deterioration caused by whitening agents being minimized. The detergent includes from about 5% to about 80% of an inorganic carrier, from about 1% to about 90% of a detergent surfactant, up to about 15% of an acidulant and up to about 30% of the discrete whitening agent particles. The acidulant is selected from the group of acids that in an acid form are soluble in water in an amount not greater than about 0.7% by weight at 25.degree. C. and in a salt form are soluble in water at least in an amount of about 15% by weight at 25.degree. C. The whitening agent particles include a whitening agent and a surfactant. The whitening agent surfactant can consist of those anionics, nonionics, zwitterionics, ampholytics, cationics, and mixtures thereof that are solids in a temperature range of from about 32.degree. F. (0.degree. C.) to about 180.degree. F. (82.degree. C.).
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Prieto et al., United States Statutory Invention Registration, Reg. No. H1467, Publication Date: Aug. 1, 1995.
Brouwer Steven J.
Wint Michael J.
Amway Corporation
Douyon Lorna M.
Lieberman Paul
Nichols G. Peter
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