Patent · US Expired

Pantethine component for hair permanent waving

US4851215A · kind A · utility

2Cited by

1References

22Claims

0Family size

Assignee

Richardson-Vicks Inc. · US

Inventors

Walter P. Smith · Stamford, US
Geoffrey Hawkins · Yardley, US
David Yeung · Tai Po, CN

Key dates

Filing date	Apr 29, 1985
Grant date	Jul 25, 1989
Priority date	—
Expiry date	Apr 29, 2005

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K8/447
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Pantethine and pantetheine in permanent waving operations for hair to increase waving efficiency.

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