Invention Grant
- Patent Title: Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives
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Application No.: US15644611Application Date: 2017-07-07
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Publication No.: US10556981B2Publication Date: 2020-02-11
- Inventor: Hui Feng , Shengkui Hu , Dennis Zlotnik
- Applicant: HALLSTAR INNOVATIONS CORP.
- Applicant Address: US IL Chicago
- Assignee: Hallstar Beauty and Personal Care Innovations Company
- Current Assignee: Hallstar Beauty and Personal Care Innovations Company
- Current Assignee Address: US IL Chicago
- Agency: Baker & McKenzie LLP
- Main IPC: C08F293/00
- IPC: C08F293/00 ; C09D7/65 ; C09D7/63 ; A61K8/35 ; A61K8/37 ; A61K8/90 ; A61Q17/04
Abstract:
The present disclosure relates, according to some embodiments, to photostable photoactive compositions comprising (a) at least one photoactive compound that develops within itself an excited state energy when subjected to UV radiation and (b) a block copolymer comprising a plurality of blocks, wherein the block copolymer is operable to quench the excited state energy.
Public/Granted literature
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