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Sunscreen compositions containing an ultraviolet radiation-absorbing polymer
专利权人:
JOHNSON & JOHNSON CONSUMER
发明人:
SUSAN DALY,SUSAN DALY,MICHAEL J FEVOLA,MICHAEL J FEVOLA,SELCAN TOKGOZ-ENGRAND,SELCAN TOKGOZ ENGRAND
申请号:
IN3104/DEL/2014
公开号:
IN2014DE03104A
申请日:
2014.10.30
申请国别(地区):
IN
年份:
2015
代理人:
摘要:
Polymer compositions containing an ultraviolet radiation absorbing polyglycerol that has low fractions of diglycerol chromophore conjugates and that includes a UV-chromophore chemically bound thereto are provided, as well as processes to prepare such polymer compositions that includes preparing a polyglycerol intermediate by polymerizing glycerol; removing residual glycerol and low molecular weight fractions from the polyglycerol intermediate to form an enriched polyglycerol intermiedate having low fractions of diglycerol; and reacting the enriched polyglycerol intermediate with a UV-chromophore having a complementary functional group to form the polymer composition, and compositions using the ultraviolet radiation absorbing polyglycerol.
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中国工程科技知识中心
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