Patents Assigned to Dr. Straetmans GmbH
  • N-HEPTYL-GLYCERYL ETHER AND SYNERGISTICALLY ACTIVE PRESERVATIVES
    Publication number: 20240082123
    Abstract: A composition contains n-heptyl-glyceryl ether and at least one further carefully chosen and synergistically active preservative.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 14, 2024
    Applicants: Evonik Dr. Straetmans GmbH, Evonik Operations GmbH
    Inventors: Kathrin Daniela Brandt, Jan Jänichen, Michael Kinder, Alexander Thiemann, Ellen Schmitt, Jessica Scholze, Sabine Steinmetzer
  • MIXTURE COMPOSITION COMPRISING GLYCOLIPIDS AND TRIETHYL CITRATE
    Publication number: 20230121094
    Abstract: A composition contains glycolipids and Methyl citrate (TEC). The TEC can assist in stabilizing a foam of a corresponding aqueous composition. A method can be used for preparing a corresponding formulation, preferably a cosmetical or pharmaceutical formulation, by providing the composition and diluting the composition.
    Type: Application
    Filed: March 8, 2021
    Publication date: April 20, 2023
    Applicants: Evonik Operations GmbH, Evonik Dr. Straetmans GmbH
    Inventors: Kathrin Daniela Brandt, Stefan Julian Liebig, Hans Henning Wenk, Manuela Salmina-Petersen, Christoph Tölle, Alina Muss
  • Cosmetic or dermatological preparation
    Patent number: 8815218
    Abstract: The invention relates to a cosmetic or dermatological preparation, comprising: a) one or more chemical light protection filters selected from the group consisting of 2,4,6-Trianilino-p-(carbo-2?-ethylhexyl-1?oxy)-1,3,5-triazine (ethylhexyl triazon), 1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)-propane-1,3-dion (butyl methoxydibenzoyl-methane), bisoctyloxyphenol-methoxyphenyl-triazine (bis-ethylhexyloxyphenol methoxyphenyl triazine) and 2-[-4-(diethylamino)-2-hydroxybenzoyl]benzoic acid hexylester (diethylamino hydroxybenzoyl hexyl benzoate); and/or one or more light protection filters selected from the group consisting of superficially treated, or untreated, pigments of titanium dioxide or zinc oxide; b) at least one ester of a C8-C16-fatty acid and isoamyl alcohol.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: August 26, 2014
    Assignee: Dr. Straetmans GmbH
    Inventors: Daria Nazarova, Jessica Scholze, Jan Jänichen, Wilfried Petersen, Manuela Salmina-Petersen
  • Concentrated, aqueous solutions of p-methoxybenzoic acid for use in cosmetic and dermatologic formulations
    Patent number: 7416722
    Abstract: The present invention is related to concentrated aqueous solutions of p-methoxybenzoic acid and their production.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: August 26, 2008
    Assignee: Dr. Straetmans GmbH
    Inventors: Udo Straetmans, Jan Jänichen, Wilfried Petersen, Michael Kinder, Christopher H. Johnson, Garrett S. Reynolds