Patent · US Expired

Hair coloring and cosmetic compositions comprising carbon nanotubes

US7276088B2 · kind B2 · utility

19Cited by

2References

2Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Xueying Huang · Hockessin, US
Robert K. Kobos · Wilmington, US
Gann Xu · Boothwyn, US

Key dates

Filing date	Mar 30, 2005
Grant date	Oct 2, 2007
Priority date	—
Expiry date	Mar 30, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/651
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention provides new hair colorant and cosmetic compositions comprising carbon nanotubes that have either been chemically functionalized or physically modified to increase their affinity for hair.

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