Patent · US Expired

Surfactant-free cosmetic, dermatological and pharmaceutical agents

US7297328B2 · kind B2 · utility

15Cited by
9References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2001
Grant dateNov 20, 2007
Priority date
Expiry dateMay 13, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/54
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention provides a surfactant-free cosmetic, dermatological, and pharmaceutical agents comprising at least one copolymer obtainable by free-radical copolymerization of

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