Stabilized sunscreen composition having a particulate inorganic sunscreen
US7223383B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Dec 14, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is provided a composition. The cosmetic composition has the following: one or more particulates; a neutralized, carboxylic acid polymer selected from the group consisting of a carbomer, acrylates/C10-30 alkyl acrylate crosspolymer, and any combination thereof; an amount of a polyoxyethylene/polyoxypropylene block copolymer effective to stabilize and maintain dispersion of the one or more particulates; and about 10 wt % to about 90 wt % water. There is also provided a method for making a sunscreen composition. There is also provided a method of stabilizing and maintaining dispersion of particulates in a cosmetic composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.