Patent · US Expired

Flowable preparations of the W/O emulsion type with an increased water content

US6649577B1 · kind B1 · utility

12Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 2000
Grant dateNov 18, 2003
Priority date
Expiry dateDec 11, 2020

Classification

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

Abstract

Water-in-oil emulsions(a) with a viscosity of at most 5000 mPa·s(b) with a content of water and water-soluble substances totalling at least 75% by weight, and with a content of lipids, emulsifiers and lipophilic constituents totalling at most 15%, based in each case on the total weight of the preparations,(c) the oil phase of which comprises at least 75% of one or more substances chosen from the group ofnonpolar lipids which are liquid at room temperature and have a polarity of greater than 30 mN/m, and/orsilicones of any polarity this weight proportion being based on the total weight of the oil phase,(d) comprising at least one interface-active substance chosen from the group of substances of the general formula (I)

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