Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1995-12-29
1997-08-26
Hertzog, Ardith
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510159, 510417, 510418, 510420, 510421, 510422, 510462, 510463, 510470, C11D 314, C11D 318, C11D 343, C11D 1700
Patent
active
056611196
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to terpene based skin cleansing formulations containing ground corn meal (maize) as a scrubber.
BACKGROUND OF THE INVENTION
Citrus terpenes including orange terpenes and d-limonene are safe, effective and naturally occurring organic solvents currently used as a fragrance additive in various soap products and perfumes, and as well as a flavour additive in foodstuffs and beverages. Because for example d-limonene is an effective organic solvent it is also utilized in household and industrial cleaning products and is a viable alternative to potentially dangerous chlorinated hydrocarbon solvents.
Skin cleansing solutions based on solvents having abrasive particles dispersed therethrough are well known. Several types of mineral abrasives included in these skin cleaning formulations include diatomaceous earth, pumice, aluminum oxide and silica to mention just a few. A drawback to the use of mineral based abrasives relates to the hardness and very sharp edges of the particles which can result in micro-cuts to a user's skin upon use thereby causing undue irritation and possibly infection.
Plastic scrubber particles are used in some cleaning formulations but many types of plastic are subject 30. to attack and softening in terpene solvents thereby rendering the scrubber ineffective. Further, plastic scrubbers are not biodegradable and hence pose an environmental problem.
It is therefore desirable to provide a terpene based skin cleansing formulation including an abrasive which provides a gentle scrubbing action and which is not attacked by the terpene or surfactant system.
SUMMARY OF THE INVENTION
The present invention provides cleansing formulations for the skin using a terpene as the organic solvent. In one aspect of the invention there is provided a cleansing formulation for application to the skin comprising in combination, water, a physiologically acceptable terpene present in the range from about 0.9% to about 40% by weight, a nonionic surfactant present in the range from about 4% to 20% by weight, the nonionic surfactant being the primary surfactant of the formulations a corn meal scrubber present in the range from about 3% to about 20%, and a preservative present in range from about 0.05% to about 2.35% by weight.
In another aspect of the invention there is provided a cleansing formulation for application to the skin, comprising water, a terpene present in the amount from about 0.9% to 40% by weight; corn meal scrubber present in the range from about 3% to about 20% by weight; nonionic surfactants present in the range from about 4% to about 20% by weight; and the nonionic surfactants being the primary surfactants of the formulations a preservative comprising an antimicrobial agent and an antioxidant present in the range from about 0.10% to about 1.3% by weight; and a thickening agent present in the range from about 0.30% to about 2.35% by weight.
DETAILED DESCRIPTION OF THE INVENTION
Ingredients
A general description of the ingredients of the skin cleansing formulations will first be given followed by a more detailed description of the component ranges and non-limiting example formulations.
Organic Solvent
D-limonene is a naturally occurring biodegradable solvent found in the oil of citrus peels of limes, lemons and oranges to mention just a few sources. D-limonene provides good solvent power and has a Kauri-Butanol (K-B) value of about 62.7 which is indicative of its high solvent strength. Odourless mineral spirits by comparison has a K-B value of about 26. Since d-limonene is a safe and effective organic solvent it is currently utilized in household and industrial cleaning products.
D-limonene is a member of the chemical class known as dipentenes. Dipentenes other than d-limonene which also exhibit exceptional solvent power are derived from pine trees. The dipentenes in turn are part of a more general class of chemicals called citrus terpenes which as a group is characterized by strong solvent power. Some cuts of orange oil are sold as "or
REFERENCES:
CA abstract accession No. 104:226761, for FR 2564104, Nov. 15, 1985 1997.
Derwent abstract accession No. 86-001530, for FR 2564104, Nov. 15, 1985 1997.
Bowley Elizabeth A.
Hersh Leslie J.
Wallace Richard C.
Hertzog Ardith
Schumacher Lynn C.
Sprintvest Corporation NV
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