Patent · US Expired

Use of polyamino acid derivatives as preserving agents, compositions comprising them and preserving process using them

US6585962B2 · kind B2 · utility

2Cited by

0References

41Claims

0Family size

Assignee

L'Oreal S.A. · FR

Inventors

Michel Philippe · Wissous, FR
Sylvie Benard · Villiers-le-Bel, FR
Sylvie Cupferman · Chevilly-Larue, FR

Key dates

Filing date	Jan 29, 2001
Grant date	Jul 1, 2003
Priority date	—
Expiry date	Jan 29, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/524
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Processes for preserving compositions, such as cosmetic and dermatological compositions, which may be intended for topical applications, through the use of at least one certain polyamino acid derivatives. Cosmetic and pharmaceutical compositions comprising at least one certain polyamino acid derivatives

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