Methylene bis-benzotriazolyl tetramethylbutylphenol for fabric staining reduction
US11617709B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2019 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Oct 2, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5922
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the use of methylene bis-benzotriazolyl tetramethylbutylphenol, optionally in combination with tris-biphenyl triazine, to reduce fabric staining of a sunscreen or daily care composition, wherein the sunscreen or daily care composition comprises (i) at least one particulate UV-f liter; and/or (ii) at least one oil soluble UV-A filter, wherein the at least one oil soluble UV-A filter is present in an amount of at most 3% by weight, based on the total weight of the sunscreen or daily care composition; and/or (iii) at least one water soluble UV filter. Furthermore, the present invention relates to the use of methylene bis-benzotriazolyl tetramethylbutylphenol, optionally in combination with tris-biphenyl triazine, to facilitate the washability of such sunscreen or daily care compositions from textiles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.