Patent · US Active

Polymeric quaternium compounds

US8349303B1 · kind B1 · utility

5Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 2010
Grant dateJan 8, 2013
Priority date—
Expiry dateFeb 11, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/3723
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A topical pharmaceutical composition comprising a pharmaceutical active and a polymer of general formula I or general formula II

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