Invention Grant
US07988953B2 UV absorbing chromophores covalently bonded to hyperbranched polymers
有权
紫外吸收发色团与超支化聚合物共价键合
- Patent Title: UV absorbing chromophores covalently bonded to hyperbranched polymers
- Patent Title (中): 紫外吸收发色团与超支化聚合物共价键合
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Application No.: US10593486Application Date: 2005-03-23
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Publication No.: US07988953B2Publication Date: 2011-08-02
- Inventor: Alexander Poschalko , Ulrich Huber , Volker Schehlmann
- Applicant: Alexander Poschalko , Ulrich Huber , Volker Schehlmann
- Applicant Address: NL Heerlen
- Assignee: DSM IP Assets B.V.
- Current Assignee: DSM IP Assets B.V.
- Current Assignee Address: NL Heerlen
- Agency: Nixon & Vanderhye P.C.
- Priority: EP04007201 20040325
- International Application: PCT/EP2005/003117 WO 20050323
- International Announcement: WO2005/092282 WO 20051006
- Main IPC: A61K8/72
- IPC: A61K8/72 ; A61K8/85 ; A61K8/86 ; A61Q17/04
Abstract:
The invention provides a conjugate comprising a hyperbranched polymer covalently bonded to at least three UV absorbing chromophores having an UV absorption maximum λmax≧270 nm.The conjugate is an effective and safe sunscreen which can advantageously be used in cosmetic compositions.
Public/Granted literature
- US20080081025A1 Uv Absorbing Chromophores Covalently Bonded to Hyperbranched Polymers Public/Granted day:2008-04-03
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