Patent · US Expired

Cosmetic skin care compositions containing 4-chromanone

US6019992A · kind A · utility

7Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1998
Grant dateFeb 1, 2000
Priority date
Expiry dateDec 4, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Cosmetic skin care compositions containing 4-chromanone. The inventive compositions improve barrier function of the skin.

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