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US 9,616,013 B2Granted
Photo-activated hydrogels
AssigneeL'oreal
InventorsVincenzo Casasanta, III, William Brenden Carlson, Gregory David Phelan
Life of this patent
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Abstract
Presented herein are compositions and articles including a crosslinkable polymer that produces a crosslinked polymer upon exposure to light and/or heat. In some embodiments, the compositions are used to fill fine lines and wrinkles to provide a cosmetic benefit. In certain embodiments, the compositions and articles have desirable release properties for embedded materials.
Claims19
A composition, comprising
- a polymer of Formula (I)
- wherein:
- R1, R2, R3, and R6 are each independently selected from H and C1-6 alkyl;
- R4 and R5 are each independently selected from H, C1-6 alkyl, C1-6 haloalkyl, C1-6 alkoxy, and C1-6 haloalkoxy;
- X is a multivalent linker selected from
- wherein RA and RB are each independently selected from H and C1-6 alkyl;
- L1 is each independently —C1-4 alkylene-O—;
- n is each independently an integer from 0 to 10,000, provided that the sum of all n in Formula (I) is not 0;
- and
- m is 2, 3, or 4.
7 more elements
A composition, comprising a compound of Formula (IV).
Dependencies are inferred from the claim text.