Process for making personal care compositions comprising titanium dioxide and personal care compositions made by the process
US6569439B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Nov 13, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns a process for making personal care compositions and opacifying agents, and corresponding products, having a stable cloudy and milky appearance. The components are processed in a specific sequence in which titanium dioxide is added after thickening agent which comprises a hydrophilic colloid. The composition may, optionally, comprise calcium lactate, calcium lactate salts and combinations thereof. The products, and process, may also comprise the addition of other components such as filler, additives, colorants, cooling agents, warming agents, numbing agents, additional flavorings, active compounds, pharmaceutical actives and excipients or finished bases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.