Patents by Inventor Horst Westenfelder

Horst Westenfelder 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).

  • Publication number: 20150182439
    Abstract: The present invention relates to a composition for topical application comprising in a physiologically acceptable medium at least a benzotriazol derivative, a microfine metal oxide particle and a polymeric emulsifier. More specifically, the invention relates to compositions that exhibit a reduced whitening effect on the skin.
    Type: Application
    Filed: June 6, 2012
    Publication date: July 2, 2015
    Applicant: DSM IP ASSETS B.V.
    Inventors: Christine Mendrok-Edinger, Horst Westenfelder
  • Publication number: 20150174045
    Abstract: Light protecting compositions contain at least one polysiloxane-based UV filter. The composition has an increased ratio of the sunprotecting factor to the total UV filter amount. This is achieved by the combination with at least one UV filter which chromophore contains appropriate bulky (sterically demanding) substituents as steric protection groups.
    Type: Application
    Filed: March 4, 2015
    Publication date: June 25, 2015
    Applicant: DSM IP ASSETS B.V.
    Inventors: Katja BERG, Thomas RUDOLPH, Volker SCHEHLMANN, Christina TRAEGER, Horst WESTENFELDER
  • Publication number: 20150118272
    Abstract: Novel cosmetic or dermatological compositions comprising multiply coated titanium dioxide particles with a water content of less than 1.5% are provided. More particularly novel cosmetic or dermatological compositions comprising multiply coated titanium dioxide particles with a water content of less than 1.5% and a dibenzoyl methane derivative are provided.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 30, 2015
    Applicant: DSM IP ASSETS B.V.
    Inventors: Katja BERG-SCHULTZ, Fintan SIT, Horst WESTENFELDER, Christine MENDROK-EDINGER
  • Patent number: 8883829
    Abstract: The present invention relates to novel benzotriazoles and to novel topical compositions comprising these benzotriazoles. Furthermore, the invention relates to the use of the novel benzotriazoles as photostabilizer and solubilizer for dibenzoylmethane derivatives such as Butyl Methoxydibenzoylmethane. In one aspect the invention relates to novel benzotriazoles of formula (Ia) wherein R2 is hydrogen; C1-30alkyl; C1-5alkoxy; C1-5alkoxycarbonyl; C5-7cycloalkyl; C6-10aryl or aralkyl; R3 is hydrogen; C1-5alkyl; C1-5alkoxy or halogen, preferably hydrogen or Cl; R4 is hydrogen or C1-5alkyl; R5 is C1-30alkyl or C5-10cycloalkyl.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: November 11, 2014
    Assignee: DSM IP Assets B.V.
    Inventors: Alexander Schlifke-Poschalko, Christine Mendrok-Edinger, Horst Westenfelder
  • Publication number: 20140255320
    Abstract: The present invention relates to a composition for topical application comprising at least a benzotriazol derivative and vitamin E or a derivative thereof. Furthermore, the invention relates to compositions that prevent staining of clothes.
    Type: Application
    Filed: June 6, 2012
    Publication date: September 11, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Christine Mendrok-Edinger, Horst Westenfelder
  • Publication number: 20130142737
    Abstract: The present invention relates to novel benzotriazoles and to novel topical compositions comprising these benzotriazoles. Furthermore, the invention relates to the use of the novel benzotriazoles as photostabilizer and solubiliser for dibenzoyl-methane derivatives such as Butyl Methoxydibenzoylmethane. In one aspect the invention relates to novel benzotriazoles of formula (Ia) wherein R2 is hydrogen; C1-30alkyl; C1-5alkoxy; C1-5alkoxycarbonyl; C5-7cycloalkyl; C6-10aryl or aralkyl; R3 is hydrogen; C1-5alkyl; C1-5alkoxy or halogen, preferably hydrogen or Cl; R4 is hydrogen or C1-5alkyl; R5 is C1-30alkyl or C5-10cycloalkyl.
    Type: Application
    Filed: January 13, 2011
    Publication date: June 6, 2013
    Inventors: Alexander Schlifkeposchalko, Christine Mendrokedinger, Horst Westenfelder
  • Publication number: 20120294916
    Abstract: Novel cosmetic or dermatological compositions comprising multiply coated titanium dioxide particles with a water content of less than 1.5% are provided. More particularly novel cosmetic or dermatological compositions comprising multiply coated titanium dioxide particles with a water content of less than 1.5% and a dibenzoyl methane derivative are provided.
    Type: Application
    Filed: July 27, 2012
    Publication date: November 22, 2012
    Applicant: DSM IP Assets B.V.
    Inventors: Katja BERG-SCHULTZ, Fintan Sit, Horst Westenfelder, Christine Mendrok-Edinger
  • Publication number: 20120269876
    Abstract: The present invention relates to a method of improvement of the water resistance of micronized double coated titanium dioxide particles having an inner inorganic silica coating and an outer silicone coating in a topical composition characterized in that said particles are incorporated into the topical composition the form of a dispersion of said particles in C12-15 alkyl benzoate and polyglyceryl-2 dipolyhydroxystearate. Furthermore, the invention relates to the topical compositions comprising said dispersions as well as to the use thereof as sunscreen.
    Type: Application
    Filed: November 15, 2010
    Publication date: October 25, 2012
    Inventors: Thomas Satzinger, Horst Westenfelder
  • Patent number: 8207108
    Abstract: The present invention relates to compositions of UV absorbers and optionally additional antioxidants. The compositions are useful for the protection and stabilization of photosensitive ingredients such as colorants, dyes, scents, fragrances and active ingredients in body care products, household products or inks against the deleterious effects of ultraviolet radiation and oxygen.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: June 26, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Roland Jermann, Caroline Ploton, Horst Westenfelder
  • Publication number: 20110206750
    Abstract: The present invention relates to novel cosmetic or dermatological compositions comprising at least one specific titanium dioxide and at least one self-tanning agent and a cosmetically acceptable carrier. The compositions are in particular suitable for artificial/sunless tanning and/or browning of human skin.
    Type: Application
    Filed: August 18, 2009
    Publication date: August 25, 2011
    Inventors: Kerstin Den Brave, Heidi Moser, Horst Westenfelder
  • Publication number: 20100105638
    Abstract: The present invention relates to the use of ascorbyl phosphate and niacinamide to suppress the crystallization of biotin in cosmetic or dermatological compositions. Furthermore, the invention relates to cosmetic or dermatological compositions comprising ascorbyl phosphate, niacinamide, biotin and a cosmetically acceptable carrier.
    Type: Application
    Filed: February 28, 2008
    Publication date: April 29, 2010
    Inventors: Kerstin Den-Braven, Christine Saecker, Horst Westenfelder
  • Publication number: 20090263340
    Abstract: The present invention relates to cosmetic or dermatological compositions comprising salicylic acid, optionally substituted salicylic acid and/or derivatives thereof and ascorbic acid and/or derivatives thereof in a cosmetically acceptable carrier. The salicylic acid, optionally substituted salicylic acid and/or derivatives thereof serve as skin penetration enhancer for the ascorbic acid and/or derivatives thereof into human skin. The compositions are especially useful as skin lightening agents, anti-acne agents or anti-ageing agents.
    Type: Application
    Filed: April 3, 2007
    Publication date: October 22, 2009
    Applicant: DSM IP ASSETS B.V.
    Inventors: Claudia Ille-Boehler, Jochen Klock, Horst Westenfelder
  • Publication number: 20080318833
    Abstract: The present invention relates to compositions of UV absorbers and optionally additional antioxidants. The compositions are useful for the protection and stabilization of photosensitive ingredients such as colorants, dyes, scents, fragrances and active ingredients in body care products, household products or inks against the deleterious effects of ultraviolet radiation and oxygen.
    Type: Application
    Filed: November 27, 2006
    Publication date: December 25, 2008
    Inventors: Roland Jermann, Caroline Ploton, Horst Westenfelder
  • Patent number: 7465774
    Abstract: The use of copolymers obtainable by the radically initiated polymerization of A) 50 to 99.9 wt % of an olefinically unsaturated C3 to C5 monocarboxylic acid, an olefinically unsaturated C4 to C8 dicarboxylic acid or its anhydride, or a mixture of such carboxylic acids or carboxylic acid anhydrides with B) 0.1 to 50 wt % of one or more long-chained compounds with isolated multiple C—C bonds from the group (1) mono or polyunsaturated C8 to C30 monocarboxylic acids which may have additional hydroxyl groups and their alkaline metal and earth alkaline metal salts, alkyl esters, amides, sorbitane esters, glycerin esters and polyglycerin esters, (2) mono or polyunsaturated aliphatic Ca to C30 amines, (3) mono or polyunsaturated C8 to C30 alcohols and esters thereof with saturated Cl to C4 monocarboxylic acids, (4) to (C8 to C30 alkyl) vinyl ether which may incorporate up to 25 alkylene oxide units, and (5) final and medium-position Ci3 to C30 alkenes; C) 0 to 49.
    Type: Grant
    Filed: April 14, 1993
    Date of Patent: December 16, 2008
    Assignee: BASF Aktiengesellscahft
    Inventors: Christian Schade, Axel Sanner, Hans-Ulrich Wekel, Franz Frosch, Horst Westenfelder
  • Publication number: 20080305133
    Abstract: The present invention relates to novel cosmetic or dermatological compositions comprising multiply coated titanium dioxide particles with a water content of less than 1.5%. More particularly, the present invention relates to novel cosmetic or dermatological compositions comprising multiply coated titanium dioxide particles with a water content of less than 1.5% and a dibenzoyl methane derivative.
    Type: Application
    Filed: November 27, 2006
    Publication date: December 11, 2008
    Applicant: DSM IP ASSETS B.V.
    Inventors: Katja Berg-Schultz, Fintan Sit, Horst Westenfelder, Christine Mendrok-Edinger
  • Publication number: 20080292711
    Abstract: The invention provides novel coated metal oxide particles, wherein metal oxide particles are coated with a sunscreen on a polysiloxane basis with UV-A and/or UV-B and/or UV-C and/or broadband filter activity and a process for producing coated metal oxide particles and their use especially in cosmetic or dermatological formulations for the protection against harmful effects of sunlight.
    Type: Application
    Filed: March 20, 2006
    Publication date: November 27, 2008
    Inventors: Katja Berg-Schultz, Juergen H. Vollhardt, Horst Westenfelder, Fintan Sit
  • Publication number: 20080199526
    Abstract: The present invention provides a topical composition comprising a first sunscreen agent which is encapsulated and a second sunscreen agent which is different from the first sunscreen agent, characterized in that the first sunscreen agent is encapsulated in microcapsules having an average particle size D(v, 0.5) from 3 ?m to 8 ?m. The encapsulated sunscreen agent is preferably a cinnamic ester derivative.
    Type: Application
    Filed: June 27, 2006
    Publication date: August 21, 2008
    Inventors: Alexander Poschalko, Katja Berg-Schultz, Horst Westenfelder, Christine Mendrok-Edinger, Bret Lee Zimmerman, Henri Schirosi, Arnaud Labrosse, Leon Marteaux
  • Publication number: 20070189994
    Abstract: The present invention is directed to a lightprotecting composition containing at least one polysiloxane-based UV filter. The composition has an increased ratio of the sunprotecting factor to the total UV filter amount. This is achieved by the combination with at least one UV filter which chromophore contains appropriate bulky (sterically demanding) substituents as steric protection groups.
    Type: Application
    Filed: October 28, 2004
    Publication date: August 16, 2007
    Inventors: Katja Berg, Thomas Rudolph, Volker Schehlmann, Christina Traeger, Horst Westenfelder
  • Publication number: 20070053851
    Abstract: The present invention relates to an agent with oral activity on the form of a toothpaste, a mouthwash or a mouthwash concentrate containing one or more substances sensitive to oxidation, characterised in that the agent has a water content according to Karl Fischer of 7.5 wt.-% or less.
    Type: Application
    Filed: August 31, 2004
    Publication date: March 8, 2007
    Inventors: Philippe Maillan, Cornelia Rütti, Christine Saecker, Jürgen Vollhardt, Horst Westenfelder
  • Patent number: 7102019
    Abstract: An ascorbic acid derivative of the formula Ia: where the variables independently of one another have the following meanings: R1 and R2 independently of one another are hydrogen or C1-C20-acyl; R3 is hydrogen or a cation selected from the group consisting of NH4+, alkali metal and alkaline earth metal cations; R4 is C1-C6-alkoxycarbonyl, and a process for its preparation.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: September 5, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Streicher, Bernd Ostersehlt, Horst Westenfelder