Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1995-07-21
1997-12-30
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510152, 510153, 510155, 510156, C11D 900, C11D 1700, C11D 922
Patent
active
057030251
ABSTRACT:
This invention relates to a monohydric alcohol free process for making transparent pour molded personal cleansing bars which exhibit good hardness characteristics. The process comprises: (I) making a molten mixture of from 18 parts to 35 parts soap, wherein said soap is at least 50% insoluble sodium soap; from 14 parts to 32 parts water; from 5 parts to 37 parts synthetic surfactant; and from 18 parts to 37 parts of a water soluble organic solvent, wherein the combined level of water and water soluble organic solvent within the molten mixture is at least 40 parts; and (II) transferring a unit amount of said molten mixture into a bar forming mold or tube and (III) allowing said molded unit to cool in acquiescent conditions into a mild, low smearing transparent personal cleansing bar.
The preferred bars made by the process of the present invention are more weight stable than bars made with several parts of alcohol. An important benefit of this invention is that bar processing time is substantially reduced by faster crystallization and faster bar stabilization.
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"Soap Manufacture" vol. I by J. Davidsohn, E.J. Better, and A. Davidsohn published by Interscience Publishers, Inc., New York 1953. A more detailed review can be found at pp. 465 to 472. No month available.
U.S. application No. 08/285,257, Wiegand et al., filed Aug. 3, 1994.
U.S. application No. 08/493,350, Wiegand et al., filed Jul. 21, 1995.
Brunsman Michael August
Figueroa Alejandro
Wiegand Benjamin Carl
Zyngier Alexandre
Lieberman Paul
Ogden Necholus
Rosnell Tara M.
The Procter & Gamble & Company
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