Patents by Inventor Sabine Hitzel

Sabine Hitzel 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
  • Tanning Method
    Publication number: 20080166308
    Abstract: The present invention relates to a method for tanning the human body and in particular for avoiding application edges during tanning, which is characterised in that at least one formulation comprising 0.1 to 1% by weight of at least one self-tanning agent substance is applied repeatedly, but at least once daily, to the human body or parts of the human body, and to a cosmetic formulation which is suitable for the said purpose.
    Type: Application
    Filed: July 5, 2006
    Publication date: July 10, 2008
    Inventors: Frank Pfluecker, Sabine Hitzel, Hansjuergen Driller, Silke Hornung, Heike Schuchmann
  • Cosmetic formulation comprising dihydroxyacetone
    Patent number: 7311895
    Abstract: The invention relates to cosmetic formulations containing dihydroxy-acetone and a topical support in addition to one or several compounds selected from the compounds of formulae (Ia) and (Ib), the physiologically acceptable salts of compounds of formulae (Ia) and (Ib), and the stereoisomeric forms of formulae (Ia) and (Ib), wherein R1, R2, R3, R4 and n have the meanings cited in Claim 1. The cosmetic formulations are characterized in that the UV-A protective effect of dihydroxyacetone is increased.
    Type: Grant
    Filed: July 5, 2002
    Date of Patent: December 25, 2007
    Assignee: Merck Patentgesellschaft Mit Beschrankter Haftung
    Inventors: Sabine Hitzel, Hans-Jürgen Driller
  • Method of tanning human body by mysting or immersion at elevated temperature
    Publication number: 20070079754
    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: Application
    Filed: November 17, 2004
    Publication date: April 12, 2007
    Inventors: Sabine Hitzel, Hansjurgen Driller, Herwig Buchholz, Silke Hornung, Francois Marchio, Frank Pflucker, Ralf Rosskopf
  • Cosmetic formulation comprising dihydroxyacetone
    Publication number: 20040185072
    Abstract: The invention relates to cosmetic formulations containing dihydroxy-acetone and a topical support in addition to one or several compounds selected from the compounds of formulae (Ia) and (Ib), the physiologically acceptable salts of compounds of formulae (Ia) and (Ib), and the stereoisomeric forms of formulae (Ia) and (Ib), wherein R1, R2, R3, R4 and n have the meanings cited in Claim 1. The cosmetic formulations are characterized in that the UV-A protective effect of dihydroxyacetone is increased.
    Type: Application
    Filed: January 30, 2004
    Publication date: September 23, 2004
    Inventors: Sabine Hitzel, Hans-Jurgen Driller
  • Sun-protection formulations active against herpes simplex viruses
    Patent number: 6500869
    Abstract: The invention relates to sun-protection formulations in solid or liquid form, containing organic and/or inorganic sunscreen filters having a prophylactic action against herpetic diseases of the skin, and to the use of said sun-screen formulations.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: December 31, 2002
    Assignee: Merck Patent Gesellschaft
    Inventors: Hansjürgen Driller, Sabine Hitzel
  • Stable cosmetic formulation containing butylmethoxydibenzoylmethane
    Patent number: 6491930
    Abstract: The invention relates e.g. to the use of aldehydes and/or ketones for improving the stability of cosmetic formulations containing butylmethoxydibenzoylmethane as organic light protection filters in conjunction with inorganic light protection filters.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: December 10, 2002
    Assignee: Merck Patent Gesellschaft MIT
    Inventors: Thekla Kurz, HansJürgen Driller, Sabine Hitzel, Dorothee Wille
  • STABLE COSMETIC FORMULATION CONTAINING BUTYLMETHOXYDIBENZOYLMETHANE
    Publication number: 20020150599
    Abstract: The invention relates e.g. to the use of aldehydes and/or ketones for improving the stability of cosmetic formulations containing butylmethoxydibenzoylmethane as organic light protection filters in conjunction with inorganic light protection filters.
    Type: Application
    Filed: May 5, 2000
    Publication date: October 17, 2002
    Inventors: THEKLA KURZ, HANSJURGEN DRILLER, SABINE HITZEL, DOROTHEE WILLE
  • Light-stable cosmetic formulation containing butylmethoxydibenzoylmethane
    Patent number: 6436374
    Abstract: A cosmetic preparation having butylmethoxydibenzoyhmethane as a protection filter and insoluble inorganic particles which are titanium dioxide particles doped with cerium or iron ions which absorb in the UVA region and are added to improve the photostability of the cosmetic preparation.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: August 20, 2002
    Assignee: Merck Patent Gesellschaft mit beschraenkter Haftung
    Inventors: Thekla Kurz, Dorothee Wille, Sabine Hitzel
  • Skin-coloring powder mixture
    Patent number: 6399044
    Abstract: The invention related to powder mixtures containing formaldehyde- and/or formic acid-releasing compounds which have skin-tanning properties, which powder mixtures contain an agent which forms sulphite ions and, if appropriate, a stabilizer, and to the preparation and use of these powder mixtures for manufacturing cosmetic or pharmaceutical preparations.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: June 4, 2002
    Assignee: Merck Patent Gesellschaft Mit
    Inventors: Thekla Kurz, Sabine Hitzel, Roland Martin, Ralf Emmert
  • Stable aqueous formulation of 3-(N-butylacetamino)-propionic acid ethyl ester
    Patent number: 6306905
    Abstract: The present invention relates to stable aqueous formulations of the insect repellent ethyl 3-(N-butyl-acetamino)propionate.
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: October 23, 2001
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Thekla Kurz, Sabine Hitzel, Dorothee Wille, Mohammad Jalalian
  • Sunscreens having ultraspectral protection
    Patent number: 6187298
    Abstract: The invention relates to novel light protection filters for the VIS and IR region for the preparation of sunscreens and also to the use thereof in cosmetics. The invention further relates to sunscreens which have broad-band or ultraspectral protection.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: February 13, 2001
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Thekla Kurz, Sabine Hitzel, Dorothee Wille
  • Dispersion of inorganic UV filters
    Patent number: 6146617
    Abstract: The present invention relates to a dispersion of inorganic UV filters in liquid UV filters and their use in sunscreens.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: November 14, 2000
    Assignee: Merck Patent Gesellschaft mit
    Inventors: Thekla Kurz, Dorothee Wille, Sabine Hitzel
  • Skin-coloring powder mixture
    Patent number: 5656262
    Abstract: The invention relates to powder mixtures containing formaldehyde- and/or formic acid-releasing compounds which have skin-tanning properties, which powder mixtures contain an agent which forms sulphite ions and, if appropriate, a stabilizer, and to the preparation and use of these powder mixtures for manufacturing cosmetic or pharmaceutical preparations.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: August 12, 1997
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Thekla Kurz, Sabine Hitzel, Roland Martin, Ralf Emmert