Oil-in-water UV-blocking cosmetic composition having high water resistance and preparation method thereof
US11331260B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Oct 30, 2019 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Jan 24, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/40
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention may provide an oil in water (O/W) cosmetic composition having water resistance and ease of facial cleansing, using an A-B-A type triblock copolymer which is included in the cosmetic, and thus may adjust the surfactant power. Further, it is possible to provide a method for imparting water resistance and ease of facial cleansing, using the A-B-A type triblock copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.