Patent · US Expired

Preparations for topical skin use and treatment

US7223386B2 · kind B2 · utility

0Cited by
27References
25Claims
0Family size

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Inventors

Key dates

Filing dateSep 10, 2003
Grant dateMay 29, 2007
Priority date
Expiry dateJul 8, 2024

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2300/622
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Topical preparations for release of an active agent and to methods of making and using the topical preparations are provided. The preparations may have an internal phase dispersed within an external phase. The internal phase may be a hydrophilic carrier and an active agent. The external phase may be a silicone matrix.

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