Titanium dioxide dispersions, cosmetic compositions and methods for using same
US5468471A · kind A · utility
35Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1994 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Aug 19, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/413
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A novel organic dispersion comprises microfine titanium dioxide and a suitable branched chain organic without the use of any dispersing agent. The novel dispersion provide uniquely high SPF with low levels of dry weight titanium dioxide. Methods for preparing said dispersion and cosmetic sunscreen compositions comprising said dispersion are also included within the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.