Process for the preparation of an emulsion
US7544718B2 · kind B2 · utility
1Cited by
6References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2004 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Oct 16, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/24
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is a continuous process for preparing a cosmetic or dermatological preparation, comprising emulsifying at least two pre-products in at least one mixing apparatus, cooling the emulsion to less than 40° C. by adding an aqueous phase with a lower temperature than the mixture, adding at least one ingredient selected from the group consisting of perfume oil and temperature-sensitive active ingredients, and homogenizing the emulsion in at least one homogenizing apparatus at a temperature of from 20 to 50° C. The invention also includes a product made by such process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.