Patent · US Expired

Skin external preparation

US6171595A · kind A · utility

12Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 2000
Grant dateJan 9, 2001
Priority date
Expiry dateJan 11, 2020

Classification

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

Abstract

The present invention provides a skin external preparation comprising a compound of the formula (1), (2), (3) or (4). ##STR1## wherein X represents COOH, etc., Z represents CONH.sub.2, etc. and R.sup.1 and R.sup.7 individually represent a hydrogen atom, etc. The above-described compound has excellent effects, for example, for preventing or alleviating skin aging or inhibiting hair growth.

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