Patent · US Expired

Composition for permanent waving of human hair and use of ammonium carbamate in such compositions

US5401497A · kind A · utility

5Cited by

3References

8Claims

0Family size

Assignee

Goldwell GmbH · DE

Inventors

Burkhard Rose · Darmstadt, DE
Juergen Tennigkeit · Seeheim-Jugenheim, DE

Key dates

Filing date	Mar 19, 1992
Grant date	Mar 28, 1995
Priority date	—
Expiry date	Mar 19, 2012

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention is related to a composition for the permanent waving of human hair with improved properties of use, containing alkanediols in combination with ammonium carbamate as alkalinizing compound.

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