UV-absorbing compounds with at least one reactive hydrogen
US10351523B2 · kind B2 · utility
2Cited by
5References
8Claims
0Family size
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Key dates
| Filing date | Dec 13, 2017 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Dec 13, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C237/32
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
UV-absorbing compounds are provided that have at least one reactive hydrogen. These compounds have structures: wherein the generic notations have meanings as described herein. Also provided are formulations comprising a UV-absorbing compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.