Patents by Inventor Rainer Kropke

Rainer Kropke 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).

  • Patent number: 11497942
    Abstract: The present invention is a cosmetic or dermatological preparation comprising 0.01% by weight to 5% by weight of at least one red light-filtering dye and 0.0001% by weight to 10% by weight of at least one anti-inflammatory active ingredient. The preparation can be used for the prophylaxis and treatment of sun-irritated skin and to aid the body's own repair mechanisms.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: November 15, 2022
    Assignee: BEIERSDORF AG
    Inventors: Rainer Kröpke, Ludger Kolbe, Anette Bürger, Claudia Mundt
  • Publication number: 20200214952
    Abstract: A sunscreen composition includes from 20 to 25% zinc oxide, and from 24 to 31% water. The sunscreen composition is in the form of an emulsion containing an aqueous phase and an oil phase, and is free from organic UV filters or organic UV absorbers. In particular, the sunscreen composition is free from silicone materials and titanium dioxide.
    Type: Application
    Filed: May 15, 2018
    Publication date: July 9, 2020
    Inventors: Mark Chandler, Rainer Kröpke, Fiona Wheeler, Robert Sasse-Jappie
  • Publication number: 20140301998
    Abstract: Disclosed is a cosmetic or dermatological formulation comprising a) at least one polyol in a concentration of from 0.1 to 20% by weight, based on the total weight of the formulation, and b) at least one diol selected from 2-methyl-1,3-propanediol, pentanediol, and hexanediol, in a concentration of from 0.1 to 25% by weight, based on the total weight of the formulation.
    Type: Application
    Filed: June 2, 2014
    Publication date: October 9, 2014
    Applicant: BEIERSDORF AG
    Inventors: Rainer KROPKE, Jens NIELSEN, Kathrin WOLTER
  • Patent number: 8779007
    Abstract: The invention is a cosmetic or dermatological formulation comprising a) at least one polyol in a concentration of from 0.1 to 20% by weight, based on the total weight of the formulation, and b) at least one diol selected from the group consisting of 2-methyl-1,3-propanediol, pentanediol, and hexanediol, in a concentration of from 0.1 to 25% by weight, based on the total weight of the formulation. The invention also includes formulations further comprising at least one antioxidant, and formulations further comprising at least one UV filter. The invention also includes a method of moisturizing skin comprising applying the formulation to the skin. The invention further includes a method for reducing the tacky sensation, a method for reducing the viscosity, and a method for increasing the stability of a polyol-containing formulation comprising adding a diol selected from the group consisting of 2-methyl-1,3-propanediol, pentanediol, and hexanediol.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: July 15, 2014
    Assignee: Beiersdorf AG
    Inventors: Rainer Kröpke, Jens Nielsen, Kathrin Wolter
  • Patent number: 7906151
    Abstract: Cosmetic or dermatological composition comprising potassium sorbate and at least one stabilizing agent selected from microcrystalline cellulose, talc and a lipid having an interfacial tension of at least about 10 mN/m.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: March 15, 2011
    Assignee: Beiersdorf AG
    Inventors: Rainer Kröpke, Astrid Heptner, Stephanie Von Der Fecht, Jens Nielsen, Celina Storbeck
  • Patent number: 7235251
    Abstract: Cosmetic or dermatological preparations comprising (I) one or more surface-active substances chosen from the group (Ia) of alkyl glucosides (Ib) of the disaccharides esterified with one or more fatty acid residues (II) one or more surface-active substances chosen from the group (IIa) of glycerol esters of saturated or unsaturated fatty acids (IIb) of glycol esters of saturated or unsaturated fatty acids (IIc) of one or more fatty alcohols chosen from the group of branched and unbranched alkyl alcohols having 12 to 40 carbon atoms (III) a water phase (IV) from 0 to 5% by weight of a lipid phase, based on the total weight of the preparations.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: June 26, 2007
    Assignee: Beiersdorf AG
    Inventors: Gunhild Hamer, Kerstin Heike, Waltraud Kaden, Rainer Kropke, Ghita Lanzendörfer, Gunther Schneider
  • Publication number: 20070041916
    Abstract: The invention is a cosmetic or dermatological formulation comprising a) at least one polyol in a concentration of from 0.1 to 20% by weight, based on the total weight of the formulation, and b) at least one diol selected from the group consisting of 2-methyl-1,3-propanediol, pentanediol, and hexanediol, in a concentration of from 0.1 to 25% by weight, based on the total weight of the formulation. The invention also includes formulations further comprising at least one antioxidant, and formulations further comprising at least one UV filter. The invention also includes a method of moisturizing skin comprising applying the formulation to the skin. The invention further includes a method for reducing the tacky sensation, a method for reducing the viscosity, and a method for increasing the stability of a polyol-containing formulation comprising adding a diol selected from the group consisting of 2-methyl-1,3-propanediol, pentanediol, and hexanediol.
    Type: Application
    Filed: August 25, 2006
    Publication date: February 22, 2007
    Inventors: Rainer Kropke, Jens Nielsen, Kathrin Wolter
  • Patent number: 7138128
    Abstract: Water-in-oil emulsions comprising at least one cationic polymer, at least one surface active substance and a content of water and optional water-soluble substances totalling at least 80% based on the total weight of the emulsions.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: November 21, 2006
    Assignee: Beiersdorf AG
    Inventors: Andreas Bleckmann, Rainer Kröpke, Günther Schneider
  • Patent number: 6936265
    Abstract: Water-in-oil emulsions (a) having a water phase content of at least 80% by weight, based on the total weight of the emulsions, (b) in which the lipid phase comprises at least one lipid with a viscosity of less than 15 mPa·s (at 25° C.), which has a spreading value of at least 700 mm2/10 minutes (at 25° C.), (c) at least one interface-active substance chosen from the group of alkylmethicone copolyols and/or alkyldimethicone copolyols, (d) if desired also comprising one or more cationic, nonionic and/or anionic polymers, preferably in concentrations of from 0.01 to 10% by weight, preferably 0.1 to 5% by weight, particularly preferably 0.25 to 1% by weight.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: August 30, 2005
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Andreas Bleckmann, Rainer Kröpke
  • Publication number: 20050158259
    Abstract: The present invention is a cosmetic or dermatological preparation comprising 0.01% by weight to 5% by weight of at least one red light-filtering dye and 0.0001% by weight to 10% by weight of at least one anti-inflammatory active ingredient. The preparation can be used for the prophylaxis and treatment of sun-irritated skin and to aid the body's own repair mechanisms.
    Type: Application
    Filed: December 3, 2004
    Publication date: July 21, 2005
    Inventors: Rainer Kropke, Ludger Kolbe, Anette Burger, Claudia Mundt
  • Publication number: 20050074471
    Abstract: Self-foaming and/or foam-like cosmetic or dermatological preparations which comprise I. an emulsifier system which consists of A. at least one emulsifier A chosen from the group of wholly neutralized, partially neutralized or unneutralized branched and/or unbranched, saturated and/or unsaturated fatty acids having a chain length of from 10 to 40 carbon atoms, B. at least one emulsifier B chosen from the group of polyethoxylated fatty acid esters having a chain length of from 10 to 40 carbon atoms and a degree of ethoxylation of from 5 to 100 and C. at least one coemulsifier C chosen from the group of saturated and/or unsaturated, branched and/or unbranched fatty alcohols having a chain length of from 10 to 40 carbon atoms, II. up to 30% by weight—based on the total weight of the preparation—of a lipid phase, III.
    Type: Application
    Filed: March 14, 2002
    Publication date: April 7, 2005
    Inventors: Andreas Bleckmann, Rainer Kröpke, Heidi Riedel
  • Publication number: 20050064000
    Abstract: The invention includes an aqueous, alcoholic, or aqueous-alcoholic cosmetic or dermatological preparation comprising (a) 2-methyl-1,3-propanediol in a concentration of from 0.5 to 10% by weight and (b) perfume oil in a concentration of from 0.01 to 10.0% by weight, wherein the preparation includes a dispersed phase and an external phase, and wherein the difference in the refractive indices of the dispersed phase and the external phase is greater than 0.003. The invention also includes a method of adding fragrance to a preparation and a method of improving the solubility of perfume in a preparation comprising adding 2-methyl-1,3-propanediol. The invention also includes methods of cleaning, deodorizing, or imparting fragrance by applying the preparation to the skin or to household items.
    Type: Application
    Filed: August 9, 2004
    Publication date: March 24, 2005
    Inventors: Rainer Kropke, Jens Nielsen
  • Publication number: 20050058679
    Abstract: The invention is a cosmetic or dermatological formulation comprising a) at least one polyol in a concentration of from 0.1 to 20% by weight, based on the total weight of the formulation, and b) at least one diol selected from the group consisting of 2-methyl-1,3-propanediol, pentanediol, and hexanediol, in a concentration of from 0.1 to 25% by weight, based on the total weight of the formulation. The invention also includes formulations further comprising at least one antioxidant, and formulations further comprising at least one UV filter. The invention also includes a method of moisturizing skin comprising applying the formulation to the skin. The invention further includes a method for reducing the tacky sensation, a method for reducing the viscosity, and a method for increasing the stability of a polyol-containing formulation comprising adding a diol selected from the group consisting of 2-methyl-1,3-propanediol, pentanediol, and hexanediol.
    Type: Application
    Filed: August 9, 2004
    Publication date: March 17, 2005
    Inventors: Rainer Kropke, Jens Nielsen, Kathrin Wolter
  • Publication number: 20050053632
    Abstract: The invention is a cooling cosmetic or medical topical preparation, comprising one or more substances having a melting point or melting interval between 28° C. and 40° C. and a positive melting enthalpy, wherein the one or more substances are present in the preparation in the solid state.
    Type: Application
    Filed: January 16, 2004
    Publication date: March 10, 2005
    Inventors: Andreas Schafer, Andreas Bleckmann, Boris Syskowski, Rainer Kropke
  • Publication number: 20050054251
    Abstract: A garment which comprises cosmetic and/or dermatological active ingredients.
    Type: Application
    Filed: June 10, 2004
    Publication date: March 10, 2005
    Applicant: BEIERSDORF AG
    Inventors: Rainer Kropke, Andreas Schafer
  • Publication number: 20050048019
    Abstract: Cosmetic or dermatological composition comprising potassium sorbate and at least one stabilizing agent selected from microcrystalline cellulose, talc and a lipid having an interfacial tension of at least about 10 mN/m. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: June 10, 2004
    Publication date: March 3, 2005
    Applicant: BEIERSDORF AG
    Inventors: Rainer Kropke, Astrid Heptner, Stephanie Von Der Fecht, Jens Nielsen, Celina Storbech
  • Publication number: 20050002974
    Abstract: The invention is a cosmetic or dermatological preparation comprising at least one O/W emulsifier, polidocanol, and at least one essential oil. The present invention also includes a cosmetic or dermatological preparation comprising at least one nonionic emulsifier, polidocanol, and menthol. A drug delivery system comprising the dermatological preparation, a dermatological wipe impregnated with the dermatological preparation, and a method for treating the skin or scalp with the dermatological preparation are also included in the present invention.
    Type: Application
    Filed: May 27, 2004
    Publication date: January 6, 2005
    Applicant: Beiersdorf AG
    Inventors: Alexander Filbry, Rainer Kropke, Dagmar Zelle
  • Publication number: 20050002888
    Abstract: Water-in-silicone emulsion comprising a) an aqueous phase, b) a lipid phase having a silicone content of at least 50% by weight, based on the lipid phase, c) emulsifiers, d) starch and/or starch derivatives, besides, if appropriate, further cosmetic and/or dermatological active ingredients, excipients and additives.
    Type: Application
    Filed: May 21, 2004
    Publication date: January 6, 2005
    Applicant: BEIERSDORF AG
    Inventors: Andreas Bleckmann, Silke Kohlhase, Rainer Kropke, Inka Longree, Boris Syskowski
  • Publication number: 20040258654
    Abstract: The present invention is a cosmetic or dermatological topical formulation based on an oil-in-water emulsion, comprising (a) 0.05 wt. % to 2 wt. %, based on the total weight of the formulation, of one or more ethoxylated fatty acid esters selected from the group consisting of PEG-5 to PEG-100 stearates; (b) 0.5 wt. % to 20 wt. %, based on the total weight of the formulation, of glycerin; and (c) one or more of (i) 0.1 wt. % to 6 wt. %, based on the total weight of the formulation, of glycerol monostearate, and (ii) 0.1 wt. % to 8 wt. %, based on the total weight of the formulation, of one or more C16-C18 fatty alcohols. The present invention also includes a method of using the formulation to moisturize the skin and a method of using the formulation to limit aging of the skin, limit the formation of wrinkles, treat aged skin and/or treat wrinkles.
    Type: Application
    Filed: April 26, 2004
    Publication date: December 23, 2004
    Applicant: Beiersdorf AG
    Inventors: Jens Nielsen, Rainer Kropke
  • Publication number: 20040258628
    Abstract: The present invention is a self-foaming, foam-type, post-foaming or foamable cosmetic or dermatological preparation comprising at least one siloxane elastomer selected from the group of siloxane elastomers obtainable by reacting vinyl-terminated polymethylsiloxane with methylhydro-dimethylsiloxane or by reacting hydroxy-terminated dimethylpolysiloxane with trimethylsiloxy-terminated methylpolysiloxane. The present invention also includes a method of preparing foam comprising combining the cosmetic or dermatological preparation with at least one gas or propellant by releasing the preparation and the gas or propellant from a pressurized gas container, and a method for increasing the stability of a foam comprising adding at least one siloxane elastomer.
    Type: Application
    Filed: May 14, 2004
    Publication date: December 23, 2004
    Applicant: Beiersdorf AG
    Inventors: Heidi Riedel, Rainer Kropke, Andreas Bleckmann, Ghita Lanzendorfer