Patent · US Expired

Primary intermediate for use in oxidative hair dyeing

US6342079B1 · kind B1 · utility

14Cited by

12References

13Claims

0Family size

Assignee

Bristol-Myers Squibb Company · US

Inventors

Yuh-Guo Pan · Stamford, US
Mu-Ill Lim · Trumbull, US
Linas R. Stasaitis · Fairfield, US

Key dates

Filing date	Jan 27, 2000
Grant date	Jan 29, 2002
Priority date	—
Expiry date	Jan 27, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C215/68
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

1-(2,5-Diaminophenyl)ethanol useful as a primary intermediate for the oxidative dyeing of hair.

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