Emulsifiers
US6927241B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2001 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Jan 1, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/908
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An emulsifier for use in making PIT or microemulsions is comprised of (a) from 45 to 60% by weight of a partial glyceride, (b) from 5 to 25% by weight of an alcohol polyglycol ether, (C) from 5 to 15% by weight fatty alcohol, and (d) from 0 to 15% by weight of a wax ester wherein the monoglyceride content of the partial glyceride is less than 50% by weight and wherein the monoglyceride is comprised of palmitic and stearic acid residues in a ratio by weight of from 40:60 to 60:40. Emulsions containing these emulsifiers neither gel nor crystallize in storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.