Procedure for the permanent reshaping of hair, and composition intended for carrying out said procedure

Patent 4366827 Issued on January 4, 1983. Estimated Expiration Date:

December 18, 2000. 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.

Abstract Claims Description Full Text

Patent References

Process for permanently shaping hair
Patent #: 3964499
Issued on: 06/22/1976
Inventor: Wajaroff , et al.

Acidic two-bath type composition for permanent waving of hair and for treatment of hair and scalp
Patent #: 4134411
Issued on: 01/16/1979
Inventor: Yamazaki

Treating hair with quaternized polymers Patent #: 4197865
Issued on: 04/15/1980
Inventor: Jacquet , et al.

Inventors

Assignee

Societe Anonyme dite: L'Oreal

Application

No. 06/217694 filed on 12/18/1980

US Classes:

132/204, Relaxing or reducing agent followed by fixing or neutralizing agent (e.g., "permanent")424/70.17, Polyamine, polyamide, or derivatives thereof424/70.2Permanent waving or straightening

Examiners

Primary: McNeill, G. E.

Attorney, Agent or Firm

Cushman, Darby & Cushman

International Classes

A61K 8/72 (20060101)
A61K 8/46 (20060101)
A61K 8/81 (20060101)
A61K 8/84 (20060101)
A61K 8/30 (20060101)
A61Q 5/04 (20060101)

Foreign Application Priority Data

1979-12-28 FR

Abstract

A process for the permanent reshaping of hair consists in reducing the bisulfide bonds of the keratin by applying a reducing composition containing a cationic polymer and reforming the said bonds by applying an oxidizing composition in the presence of an anionic surface active agent.