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
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
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
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.
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
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.