Patents by Inventor Frank Pflücker

Frank Pflücker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of tanning human body by mysting or immersion at elevated temperature
    Patent number: 7592000
    Abstract: The present invention relates to the use of self-tanning substances for application to the human skin, with application taking place at elevated temperature, to corresponding methods of application to the human skin and to a cosmetic formulation which is suitable for said purpose.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: September 22, 2009
    Assignee: Merck Patent GmbH
    Inventors: Sabine Hitzel, Hansjürgen Driller, Herwig Buchholz, Silke Hornung, Francois Marchio, Frank Pflücker, Ralf Rosskopf
  • Sunscreen composition
    Patent number: 7264795
    Abstract: The present invention relates to a composition having UV protection properties, charaterized in that the formulation comprises at least one encapsulated organic sunscreen and does not penetrate the skin essentially.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: September 4, 2007
    Assignee: Merck Patent Gesellschaft
    Inventors: Frank Pflücker, Hans-Jürgen Driller, Laure Vouzellaud, Francois Marchio, Hervé Guinard, Ratan Chaudhuri
  • Formulation comprising benzofuranone derivatives for protection against oxidative stress
    Patent number: 6903134
    Abstract: The invention relates to a cosmetic or pharmaceutical formulation comprising at least one compound of formula (I). The cosmetics or pharmaceutical products are particularly suitable for the care of the skin in protecting against oxidative stress and ageing phenomena.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: June 7, 2005
    Assignee: Merck Patent GmbH
    Inventors: Frank Pflücker, Herwig Buchholz, Ralf Rosskopf, Joachim Bünger
  • Conjugate, its preparation and use
    Patent number: 6685924
    Abstract: The invention relates to a conjugate which can be used for preparing dermatological and cosmetic compositions. The invention also relates to processes for preparing such conjugate and to its use.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: February 3, 2004
    Assignee: Merck Patent GmbH
    Inventors: Herwig Buchholz, Ralf Anselmann, Hansjuergen Driller, Michael Kirschbaum, Frank Pflücker
  • Conjugate, its preparation and use
    Patent number: 6673336
    Abstract: The invention relates to a conjugate which can be used for preparing dermatological and cosmetic compositions. The invention also relates to processes for preparing such conjugate and to its use.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: January 6, 2004
    Assignee: Merck Patent, GmbH
    Inventors: Herwig Buchholz, Eike Poetsch, Ralf Rosskopf, Ralf Anselmann, Michael Kirschbaum, Frank Pflücker
  • Process for the preparation of UV filter substances
    Patent number: 6593476
    Abstract: The present invention relates to a preparation process for 2-arylbenzimidazolesulfonic acids of the formula I: Ar is a substituted or unsubstituted phenyl or naphthyl radical and R is a C1-8-alkyl or C1-8-alkoxy radical. n is 1-4, m is 1-3 and o is 0-2. o-phenylenediamine is reacted in the presence of oleum with an arylcarboxylic acid or an arylcarboxylic acid derivative. Compounds prepared in this way can be used as UV filters, and as components in cosmetic compositions.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: July 15, 2003
    Assignee: Merck Patent Gesellschaft mit beschränkter Haftung
    Inventors: Ulrich Heywang, Michael Schwarz, Frank Pflücker
  • 2-phenyl-benzimidazolesulfonic acids as UV-B filters
    Patent number: 6440401
    Abstract: Disclosed is a 2-phenyl-benzimidazolesulfonic acid according to the formula in which n is 0, 1 or 2 and m is 2 or 3, R1, R2, R3, R4 and R5, are each a radical such as H, C1-8-alkyl, C1-8-alkoxy, hydroxyl, sulfate, nitro, F, Cl, Br or I radicals, and R6 is a C1-8-alkyl or C1-8-alkoxy radical. This compound can be effectively used as a UV filter, and as part of a cosmetic formulation which comprise these compounds. A process for preparation of the compound is disclosed as well.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: August 27, 2002
    Assignee: Merck Patent Gesellschaft Mit Beschraenkter Haftung
    Inventors: Ulrich Heywang, Michael Schwarz, Frank Pflücker