Patent · US Active

Composition and process for semi-permanent straightening of hair

US10383805B2 · kind B2 · utility

0Cited by

1References

3Claims

0Family size

Assignee

KAO CORPORATION · JP

Inventors

Burkhard Rose · Darmstadt, DE
Jonathan Wood · Sudbury, US
Jörg Schneider · Solothurn, CH
Peter Bauer · Ludwigshafen, DE

Key dates

Filing date	Sep 16, 2013
Grant date	Aug 20, 2019
Priority date	—
Expiry date	Sep 16, 2033

Classification

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

Abstract

The present invention provides a hair straightening composition with improved ease of use, which leads to an enhanced smoothness of the straightened hair. The composition comprises at least one carboxylic acid of the formula (I) in combination with at least one quaternary ammonium compound having two long-chain hydrocarbon groups: R—CO—COOH Formula (I). In further aspects, the present invention concerns a process for semi-permanent straightening of the hair, utilizing said composition, the use of the composition for straightening hair, and a kit comprising the composition and a straightening iron.

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