Patent · US Active

Hair treatment process

US10864150B2 · kind B2 · utility

0Cited by

1References

2Claims

0Family size

Assignee

KAO CORPORATION · JP

Inventors

Burkhard Rose · Darmstadt, DE
Jonathan Wood · Sudbury, US
Robert Kussmaul · Weinheim, DE

Key dates

Filing date	Sep 16, 2013
Grant date	Dec 15, 2020
Priority date	—
Expiry date	Jul 10, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/882
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention a process for straightening the hair, using a composition comprising at least one carboxylic acid of the formula (I): R—CO—COOH Formula (I) The process of the invention is characterized in that it involves the treating of the hair with the composition and the drying of the treated hair under conditions of mechanical tension and hot air flow having a temperature of 60-140° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.