Patent · US Expired

Skin care agents containing combinations of active agents consisting of vitamin a derivatives and UBI- or plastoquinones

US6503523B2 · kind B2 · utility

41Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 2002
Grant dateJan 7, 2003
Priority date
Expiry dateApr 26, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/355
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to topical preparations containing one or more compounds chosen from group (A), which consists of vitamin A-acid or its derivatives, combined with one or more compounds chosen from group (B), which consists of ubiquinones and their derivatives and plastoquinones and their derivatives.

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