Emulsifying system for microemulsions
US10603257B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2018 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Aug 13, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/591
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to antiperspirant and/or deodorizing cosmetic agent agents in the form of emulsions, which contain at least one non-ionic emulsifier a), wherein an ethoxylated, saturated, branched C14-C18 alcohol has an ethoxylation degree of from about 18 to about 22 ethylene oxide units, and at least one further non-ionic emulsifier b), wherein an ethoxylated, linear, mono-unsaturated C16-C20 alcohol has an ethoxylation degree of from about 18 to about 22 ethylene oxide units, wherein the weight ratio of the non-ionic emulsifier a) to the non-ionic emulsifier b) is from about 1.2:1 to about 4.0:1. The cosmetic agents as contemplated herein are optically transparent and have an improved storage stability, even under fluctuating temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.