Water-in-oil type emulsified cosmetic
US11931435B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2017 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Apr 12, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A water-in-oil type emulsified cosmetic has an unprecedented property wherein, by coming into contact with perspiration or water, the color development and the color uniformity are improved over the conditions immediately after application. The water-in-oil type emulsified cosmetic includes: (A) an organically modified clay mineral; (B) an oil phase thickener other than the (A) organically modified clay mineral; (C) a non-volatile liquid oil other than a silicone oil; (D) a silicone-based surfactant having an HLB of less than 8; and (E) a colorant; wherein a weight ratio defined by [(A)+(B)]/(C) is at least 0.04 and less than 0.68.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.