Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations – Aromatic acid or derivative containing
Reexamination Certificate
2011-08-02
2011-08-02
Gulakowski, Randy (Department: 1766)
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
Aromatic acid or derivative containing
C528S405000, C528S417000, C528S421000, C528S486000, C528S291000, C424S059000
Reexamination Certificate
active
07988953
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.
REFERENCES:
patent: 5089250 (1992-02-01), Forestier et al.
patent: 5403944 (1995-04-01), Frater et al.
patent: 5618520 (1997-04-01), Hansenne et al.
patent: 5663247 (1997-09-01), Sorensen et al.
patent: 6037444 (2000-03-01), Rannard et al.
patent: 6114489 (2000-09-01), Vicari et al.
patent: 6143850 (2000-11-01), Keller et al.
patent: 6287552 (2001-09-01), Tournilhac et al.
patent: 6497959 (2002-12-01), Mhetar
patent: 6617418 (2003-09-01), Magnusson et al.
patent: 6743889 (2004-06-01), Tan et al.
patent: 6765082 (2004-07-01), Sunder et al.
patent: 7507785 (2009-03-01), Vanmaele et al.
patent: 2005/0038167 (2005-02-01), Plummer et al.
patent: 1 277 770 (2003-01-01), None
patent: 2 757 389 (1998-06-01), None
patent: WO 93/04665 (1993-03-01), None
patent: WO 97/12882 (1997-04-01), None
patent: WO 02/077074 (2002-10-01), None
patent: WO 02/092668 (2002-11-01), None
patent: WO 03/037830 (2003-05-01), None
patent: 2004/031264 (2004-04-01), None
Muscat, Dirk et al, Hyperbranched Polyesteramides—New Dendritic Polymers; Topics in Current Chemistry, vol. 212; Springer-Verlag Berlin Heidelberg 2001; pp. 41-80.
Sunder et al; Controlled Synthesis of Hyperbranched Polyglycerols by Ring Opening Multibranching Polymerization; Macromolecules, 1999, 32, 4240-4246.
Boltorn Dendritic Polymers, Product data summary. On the web at http://www.perstorp.com/upload/boltorn.pdf.
Sunder et al, Hyperbranched Polyether-Polyols Based on Polyglycerol: Polarity Design by Block Copolymerization with Propylene Oxide; Macromolecules 2000, 33, pp. 309-314.
Sunder et al, Copolymers of Glycidol and Glycidyl Ethers: Design of Branched Polyether Polyols by Combination of Latent Cyclic AB2 and ABR Monomers; Macromolecules, 2000, 33, 7682-7692.
Haag et al, An approach to Glycerol Dendrimers and Pseudo-Dendritic Polyglycerols, J Am Chem Soc, 2000, 122, 2954-2955.
Majoral et al, Dendrimers Containing Heteroatoms (Si, P, B, Ge, or Bi), Chemical Reviews, American Chemical Society, Easton, US, vol. 99, 1999, pp. 845-880.
Zeng et al, “Dendrimers in Supramolecular Chemistry: From Molecular Recognition to Self-Assembly”, Chemical Reviews, American Chemical Society, Easton, US, vol. 97, No. 5, 1997, pp. 1681-1712.
Turk et al, “Dendritic Polyglycerol Sulfates as New Heparin Analogues and Potent Inhibitors of the Complement System”, Bioconjugate Chem., vol. 15, Jun. 12, 2003, pp. 162-167.
International Search Report mailed Jul. 12, 2005 in PCT/EP2005/003117.
Written Opinion mailed Jul. 12, 2005 in PCT/EP2005/003117.
Huber Ulrich
Poschalko Alexander
Schehlmann Volker
DSM IP Assets B.V.
Gulakowski Randy
Kahn Rachel
Nixon & Vanderhye P.C.
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