U.S. patents available from 1976 to present.
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Clear, colorless soap bar with superior mildness, lathering and discoloration resistance

Patent 5962382 Issued on October 5, 1999. Estimated Expiration Date: Icon_subject October 22, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2820768

2921907

3793214

3926828

Transparent soap
Patent #: 4290904
Issued on: 09/22/1981
Inventor: Poper ,   et al.

Transparent soap composition
Patent #: 4468338
Issued on: 08/28/1984
Inventor: Lindberg

Compositions and processes for the continuous production of transparent soap
Patent #: 4758370
Issued on: 07/19/1988
Inventor: Jungermann ,   et al.

Transparent soap bar Patent #: 5310495
Issued on: 05/10/1994
Inventor: Hill, et al.

Inventor

Assignee

Application

No. 956225 filed on 10/22/1997

US Classes:

510/147, Transparent or translucent510/130, For human skin510/141, Solid, shaped article (e.g., bar, leaf, tablet, etc.)510/152, Soap component510/483Transparent or translucent composition, or process of preparing

Examiners

Primary: Gupta, Yogendra N.
Assistant: Webb, Gregory E.

Attorney, Agent or Firm

Foreign Patent References

  • 0 335 026 EP. 10/24/1989
  • 8018 PH. 09/24/1995

International Classes

C11D 017/00
C11D 009/00
C11D 009/32

Abstract

The present invention relates to a clear colorless soap bar with superior mildness, lathering and discoloration resistance. The clear colorless soap consists of a blend of C12-C18 fatty acids neutralized with sodium hydroxide (NaOH) and triethanolamine (TEA). Excess TEA acts as a co-solvent and is responsible for clarity of the soap bar. The bar also contains a branched chain acid such as isostearic acid to break up crystallinity and add to product clarity. Low color and color stability are obtained by removing unsaturated fatty acids, and by the use of antioxidants (BHT and Vitamin E). Low levels of C6 to C10 fatty acids provide exceptional mildness.

Other References

  • Frosch. et al., Am. Acad. Dermatol. (35-41) (1979)
  • Abstract -JPO6200298A to Tamanohada ( Jul. 19, 1994)
  • Abstract -SU 1708827A to Chlovek Coop ( Jan. 30, 1992
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