Patent · US Expired

Stable emulsions

US6784144B2 · kind B2 · utility

2Cited by
4References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 5, 2002
Grant dateAug 31, 2004
Priority date
Expiry dateFeb 5, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D17/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention describes a silicone oil emulsion stabilized with soap. The soap is formed in situ from one or more fatty acids and a cation of a base during the emulsification process.The invention also provides a method of forming a soap stabilized oil-in-water emulsion including the steps of forming a first mixture comprising a silicone oil, a base, and initial water, combining the first mixture with a fatty acid component and emulsifying the resultant combination.

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