Patent · US Expired

Polyureas and water-soluble or water-dispersible polymeric salts

US6800276B2 · kind B2 · utility

18Cited by
14References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2002
Grant dateOct 5, 2004
Priority date
Expiry dateMay 13, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.

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