Personal care composition comprising a coated porous particle and dimethicone/vinyltrimethylsiloxysilicate and whitening agent
US11096871B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Aug 21, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/621
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a personal care composition comprising: a) a porous particle; b) a film forming polymer; and c) a cosmetically acceptable carrier which is a water and oil emulsion; wherein the porous particle has oil absorption value in the range of 50 g/100 g to 1500 g/100 g; wherein the porous particle is selected from porous silica, cellulose, acrylic polymer, nylon and ethylene/methacylate copolymer hollow sphere coated with porous silica; wherein the film forming polymer is selected from an acrylate polymer, a methacrylate polymer, a urethane polymer or co-polymers thereof; and wherein the composition comprises whitening pigment in an amount of from 0.001 to 2 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.