Patents Assigned to Arxada AG
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Patent number: 12458022Abstract: The present invention relates to a composition for increasing the retention of a biocide in a glueline-treated glued-wood product, a method for increasing the retention of a biocide in a glueline-treated glued-wood product, a glueline-treated glued-wood product, a glue for producing a glueline-treated glued-wood product, and the use of a composition for increasing the retention of a biocide in a glued-wood product.Type: GrantFiled: June 28, 2021Date of Patent: November 4, 2025Assignee: ARXADA AGInventors: Kristina England, Christopher Molloy, Andŕe Frederik Siraa
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Patent number: 12163024Abstract: The present invention relates to novel compositions comprising cyanate ester resins and substituted bisimides (citraconimides, bisitaconimide, citraconimido-itaconimide, bisnadicimide, bistetrahydroimide and mixtures thereof) as defined in claim 1, and thermoset composite materials based on these compositions.Type: GrantFiled: June 24, 2021Date of Patent: December 10, 2024Assignee: ARXADA AGInventors: Gaetano La Delfa, Stefan Ellinger, Roger Mazotti, Magnus Abgottspon, Viktor Dick
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Patent number: 12041937Abstract: The present invention relates to antifouling compositions comprising copper di(ethyl 4,4,4-trifluoroacetoacetate) (Cu(ETFAA)2) that are highly effective against marine biofouling of surfaces of ships and marine structures, their use for inhibiting marine biofouling, as well as antifouling paints comprising said compositions.Type: GrantFiled: December 6, 2019Date of Patent: July 23, 2024Assignee: ARXADA AGInventors: Takashi Nakae, Paul Kappock, Yoshiyuki Iwase, Josef Schroeer, Juergen Riegler, Peter Van Aken
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Patent number: 12043593Abstract: The invention discloses a method for the preparation of potassium 5-iodo-2-carboxybenzene sulfonate by diazotization of 5-amino-2-carboxybenzene sulfonate and subsequent reaction with KI.Type: GrantFiled: September 24, 2019Date of Patent: July 23, 2024Assignee: ARXADA AGInventors: Ellen Klegraf, Patrick Schanen, Florencio Zaragoza Doerwald
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Patent number: 11840507Abstract: The present invention relates to a process for the preparation of phenyl ketones and the preparation of phenoxyphenyl derivatives.Type: GrantFiled: August 16, 2021Date of Patent: December 12, 2023Assignee: ARXADA AGInventors: Ulrich Mayerhoeffer, Eva Kirchner, Fabian Meemken, Christophe Girard, Kai Lechner, Emilia Paunescu
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Patent number: 11802104Abstract: 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: GrantFiled: April 3, 2020Date of Patent: October 31, 2023Assignee: ARXADA AGInventors: Masaki Nakajima, Anja Bierstedt, Leo Schmid, Maximilian Kuehnle, Ulrich Mayerhoeffer, Ellen Klegraf
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Patent number: 11793740Abstract: 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: GrantFiled: August 26, 2019Date of Patent: October 24, 2023Assignee: ARXADA AGInventors: Adam Stephen Griffiths, Jordan Todorov Petkov
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Patent number: 11780176Abstract: 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: GrantFiled: February 12, 2021Date of Patent: October 10, 2023Assignee: Arxada AGInventors: Gaetano La Delfa, Stefan Ellinger, Roger Mazotti, Marcel Sommer, Stefano Licari, Sandro Landonio
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Patent number: 11739066Abstract: The invention discloses a method for fluoroalkylation of enamines with a fluoro alkyl halide in the presence of a base.Type: GrantFiled: June 12, 2020Date of Patent: August 29, 2023Assignee: Arxada AGInventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Fei Ye, Stefan Ellinger, Florencio Zaragoza Doerwald
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Patent number: 11571376Abstract: [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: GrantFiled: March 28, 2017Date of Patent: February 7, 2023Assignee: ARXADA AGInventors: Kazuhiko Sakata, Mayumi Furukawa
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Patent number: 11530175Abstract: 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: GrantFiled: February 20, 2020Date of Patent: December 20, 2022Assignee: ARXADA AGInventors: Christoph Taeschler, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Nicolas Rotta-Loria
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Patent number: 11384047Abstract: The invention discloses the use of activated carbon with a mesh size smaller than 80 for the decolorization of acetoacetylated glycerol.Type: GrantFiled: April 6, 2020Date of Patent: July 12, 2022Assignee: ARXADA AGInventors: Leo Schmid, Anja Bierstedt
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Patent number: 11207252Abstract: 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: GrantFiled: June 27, 2014Date of Patent: December 28, 2021Assignee: Arxada AGInventor: Volker Ranft