Patents Assigned to Arxada AG
  • Patent number: 11840507
    Abstract: The present invention relates to a process for the preparation of phenyl ketones and the preparation of phenoxyphenyl derivatives.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: December 12, 2023
    Assignee: ARXADA AG
    Inventors: Ulrich Mayerhoeffer, Eva Kirchner, Fabian Meemken, Christophe Girard, Kai Lechner, Emilia Paunescu
  • Patent number: 11802104
    Abstract: The invention discloses a method for preparation of an acetoacetylated polyol by reaction of a polyol with deketene in the presence of a base and in the absence of a solvent.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: October 31, 2023
    Assignee: ARXADA AG
    Inventors: Masaki Nakajima, Anja Bierstedt, Leo Schmid, Maximilian Kuehnle, Ulrich Mayerhoeffer, Ellen Klegraf
  • Patent number: 11793740
    Abstract: Described is a high-concentrate flowable liquid anionic surfactant composition containing an alkyl ether sulfate and a viscosity modifier(s). The composition avoids the highly viscous gel phase that occurs when concentrated anionic surfactants are diluted with an aqueous solvent. Also described, is a personal care composition of the high-concentrate flowable liquid anionic surfactant composition.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: October 24, 2023
    Assignee: ARXADA AG
    Inventors: Adam Stephen Griffiths, Jordan Todorov Petkov
  • Patent number: 11780176
    Abstract: A bulk moulding compound comprising one or more cyanate ester, a catalyst, a filler and reinforcement fibres is provide, whereby the one or more cyanate ester is independently selected from a difunctional cyanate ester compound and/or a polyfunctional cyanate ester and mixtures of these cyanate esters. Furthermore, the catalyst is independently selected from the group consisting of 4,4? methylene-bis(2,6-diethylaniline) (M-DEA), 4,4?-methylene-bis(3-chloro-2,6-diethyl¬aniline) (M-CDEA), aluminum(III)acetylacetonate, and mixtures thereof.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: October 10, 2023
    Assignee: Arxada AG
    Inventors: Gaetano La Delfa, Stefan Ellinger, Roger Mazotti, Marcel Sommer, Stefano Licari, Sandro Landonio
  • Patent number: 11739066
    Abstract: The invention discloses a method for fluoroalkylation of enamines with a fluoro alkyl halide in the presence of a base.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 29, 2023
    Assignee: Arxada AG
    Inventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Fei Ye, Stefan Ellinger, Florencio Zaragoza Doerwald
  • Patent number: 11571376
    Abstract: [Problem to be Solved] An object of the present invention is to provide an aqueous antimicrobial composition which exhibits excellent antibacterial and antifungal activities even at a low concentration and has high safety, low skin irritation, and excellent long-term stability. [Solution] Aqueous antimicrobial compositions comprising two or more compounds selected from (a) benzoic acid or a salt thereof, (b) ?-gluconolactone, (c) ketonic acid or a salt thereof, and (d) sorbic acid or a salt thereof; and at least one or more dicarboxylic acid represented by General Formula (I) or a salt thereof.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: February 7, 2023
    Assignee: ARXADA AG
    Inventors: Kazuhiko Sakata, Mayumi Furukawa
  • Patent number: 11530175
    Abstract: The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: December 20, 2022
    Assignee: ARXADA AG
    Inventors: Christoph Taeschler, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Nicolas Rotta-Loria
  • Patent number: 11384047
    Abstract: The invention discloses the use of activated carbon with a mesh size smaller than 80 for the decolorization of acetoacetylated glycerol.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: July 12, 2022
    Assignee: ARXADA AG
    Inventors: Leo Schmid, Anja Bierstedt
  • Patent number: 11207252
    Abstract: A synergistic preservative composition comprises sorbic acid or a salt thereof, benzyl alcohol, and a mixture of (i) 1,2-propanediol and/or 1,3-propanediol, and (ii), 4-butanediol and/or 1,3-butanediol. The composition is particularly suited for the preservation of cosmetics and personal care products.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: December 28, 2021
    Assignee: Arxada AG
    Inventor: Volker Ranft