Patents by Inventor Markus Brandhorst
Markus Brandhorst 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).
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Publication number: 20240239927Abstract: The invention relates to an organic peroxide emulsion comprising at least one organic peroxide, at least one emulsifier comprising at least one nonionic surfactant comprising at least one fatty chain and having an HLB of less than or equal to 18, at least one antifreeze with a dynamic viscosity at 20° C. ranging from 40 mPa·s to 100 mPa·s, and water. The invention also relates to a process for preparing such an emulsion, to the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and also to a halogenated vinyl polymer obtained by using such an emulsion.Type: ApplicationFiled: November 24, 2021Publication date: July 18, 2024Inventors: Markus BRANDHORST, Jürgen LOHR
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Publication number: 20230183392Abstract: The invention relates to an organic peroxide emulsion containing at least one organic peroxide, at least one emulsifier comprising at least one nonionic surfactant including at least one fatty chain and/or a protective colloid agent, a combination of two or more antigels containing no more than 9.5 wt% of a first antifreeze relative to the total weight of the ethanol emulsion, at least a second antifreeze and water. The invention also relates to a method for preparing such an emulsion, the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and a halogenated vinyl polymer obtained by the use of such an emulsion.Type: ApplicationFiled: May 20, 2021Publication date: June 15, 2023Inventors: Markus BRANDHORST, Jürgen LOHR
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Publication number: 20230167054Abstract: The invention relates to an organic peroxide emulsion comprising at least one organic peroxide comprising di-sec-butyl peroxydicarbonate, at least one emulsifier, at least one antifreeze, and water; said emulsion being free of methanol and ethanol. The invention also relates to a process for preparing such an emulsion, to the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and also to a halogenated vinyl polymer obtained by using such an emulsion.Type: ApplicationFiled: May 20, 2021Publication date: June 1, 2023Inventors: Markus BRANDHORST, Jacques COCHET, Isabelle TARTARIN
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Publication number: 20220176427Abstract: The present invention relates to the use of at least one epoxidized vegetable oil and/or of at least one of its derivatives as a carbon source in polluted soils, in particular for improving the bioremediation of polluted soils. The invention also relates to a method for bioremediation of polluted soil(s), comprising at least a step of injecting an organic or hydro-organic composition comprising at least one epoxidized vegetable oil and/or at least one of its derivatives into a polluted soil.Type: ApplicationFiled: March 18, 2020Publication date: June 9, 2022Applicant: Arkema FranceInventors: Markus Brandhorst, Oliver Chilcott
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USE OF HYDROGEN PEROXIDE IN SOLID FORM TO MODIFY THE RHEOLOGY OF A THERMOPLASTIC POLYMER WHEN MELTED
Publication number: 20210155770Abstract: The invention relates to the use of at least one hydrogen peroxide in solid form to modify the rheology of a thermoplastic polymer when melted, specifically a polyolefin and particularly a polymer comprising at least one unit from propylene and, more particularly, polypropylene. The invention also relates to a method for modifying the rheology of a thermoplastic polymer when melted, specifically reducing viscosity when melted.Type: ApplicationFiled: November 8, 2018Publication date: May 27, 2021Inventors: Markus BRANDHORST, Isabelle TARTARIN -
Patent number: 9567293Abstract: A method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) and of a bi-functional carbonyl compound, wherein it includes a step including the cross metathesis mc1 of an unsaturated fatty acid/ester compound with an unsaturated nitrile compound, in which mc1 is performed with partial conversion such as to obtain and recover, separately, at least the following products: a mono-unsaturated nitrile-ester/acid and a symmetrical compound, diester or diacid respectively including a double bond located in the middle of the molecular chain of compound, and subsequently a step including the oxidation cleavage cp2 of the double bond of compound, such as to form a single type of carbonyl compound having formula R2-(CH2)n-COR?, in which R? is H or OH, depending on the operating conditions selected for the oxidation cleavage cp2. Also, the production of monomers for the polymer industry.Type: GrantFiled: February 10, 2014Date of Patent: February 14, 2017Assignee: ARKEMA FRANCEInventors: Jean-Luc Dubois, Jean-Luc Couturier, Markus Brandhorst
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Publication number: 20160326694Abstract: A system for the delignification of plant matter impregnated with a solution of organic acid selected from acetic acid, formic acid, propionic acid, butanoic acid, or a mixture of said acids, containing said plant matter and a hydrogen peroxide composition including hydrogen peroxide and at least one phosphorus-bearing additive, the phosphorus content in the composition being higher than, or equal to, 40 ppm, expressed in weight of elemental phosphorus in relation to the total weight of the composition, for the delignification of plant matter impregnated with a solution of organic acid, said plant matter being selected from straw and/or wood or a lignocellulosic paste originating from straw and/or wood, the mass ratio of the organic acid solution, expressed in weight of solution, to the plant matter, expressed in weight of dry matter, being between 1.5:1 and 10:1.Type: ApplicationFiled: January 9, 2015Publication date: November 10, 2016Applicant: Arkema FranceInventors: Jérôme BLANC, Markus BRANDHORST
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Publication number: 20160016894Abstract: A method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) and of a bi-functional carbonyl compound, wherein it includes a step including the cross metathesis mc1 of an unsaturated fatty acid/ester compound with an unsaturated nitrile compound, in which mc1 is performed with partial conversion such as to obtain and recover, separately, at least the following products: a mono-unsaturated nitrile-ester/acid and a symmetrical compound, diester or diacid respectively including a double bond located in the middle of the molecular chain of compound, and subsequently a step including the oxidation cleavage cp2 of the double bond of compound, such as to form a single type of carbonyl compound having formula R2-(CH2)n-COR?, in which R? is H or OH, depending on the operating conditions selected for the oxidation cleavage cp2. Also, the production of monomers for the polymer industry.Type: ApplicationFiled: February 10, 2014Publication date: January 21, 2016Applicant: ARKEMA FRANCEInventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER, Markus BRANDHORST
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Publication number: 20150299107Abstract: The invention relates to a process for the selective extraction of a reaction product, derived from an oxidative cleavage of an unsaturated fatty acid or of an ester derivative or of an unsaturated nitrile derivative, said reaction product being an ?-functionalized acid from among C6 to C15 diacids, acid esters and acid nitriles, using as selective extraction solvent a composition comprising a mixture of water and of C1-C4 carboxylic acid. The invention also relates to the use of said process and of the extraction solvent composition for the preparation of C6 to C15 amino acid, diacid or acid ester monomers for the preparation of polycondensation polymers, in particular polyamides.Type: ApplicationFiled: November 7, 2013Publication date: October 22, 2015Inventor: Markus Brandhorst
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Patent number: 9035079Abstract: The invention relates to a method for cleaving unsaturated fatty chains comprising a step of oxidative cleavage in which at least one fatty acid derivative having at least one unsaturation is reacted in the liquid phase with hydrogen peroxide in the presence of a catalyst for activating the reaction of oxidative cleavage and of molecular oxygen and in the absence of organic solvent.Type: GrantFiled: November 22, 2012Date of Patent: May 19, 2015Assignee: Arkema FranceInventors: Markus Brandhorst, Jean-Luc Dubois
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Patent number: 8956508Abstract: The present invention relates to a method for preparing an aqueous solution of hydrogen peroxide from oxygen, hydrogen and optionally water. The invention more particularly relates to a method for preparing an aqueous solution of hydrogen peroxide in which at least a portion of the reactor is cooled down to a temperature lower than 15° C.Type: GrantFiled: October 27, 2009Date of Patent: February 17, 2015Assignees: Arkema France, Centre National de la Recherche Scientifique, Universite Claude Bernard Lyon 1Inventors: Jean-Luc Dubois, Markus Brandhorst, Daniel Bianchi, Frederic Thevenet
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Publication number: 20140357880Abstract: The invention relates to a method for cleaving unsaturated fatty chains comprising a step of oxidative cleavage in which at least one fatty acid derivative having at least one unsaturation is reacted in the liquid phase with hydrogen peroxide in the presence of a catalyst for activating the reaction of oxidative cleavage and of molecular oxygen and in the absence of organic solvent.Type: ApplicationFiled: November 22, 2012Publication date: December 4, 2014Inventors: Markus Brandhorst, Jean-Luc Dubois
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Publication number: 20130345388Abstract: The invention relates to a process for synthesizing a nitrile-fatty acid (heminitrile) from unsaturated fatty acids, in the form of an acid or a simple ester or a “complex” ester of triglyceride type, which is first of all converted into an unsaturated fatty nitrile which is subjected to oxidative cleavage using H2O2 as oxidizing agent. This process can be used for preparing polyamide monomers, such as ?-amino acids or diamines or diacids equivalent to said heminitrile and for obtaining polyamides from raw materials which are of natural origin and from a renewable source.Type: ApplicationFiled: December 14, 2011Publication date: December 26, 2013Applicant: ARKEMA FRANCEInventors: Markus Brandhorst, Jean-Luc Couturier, Jean-Luc Dubois
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Publication number: 20110272274Abstract: The present invention relates to a method for preparing an aqueous solution of hydrogen peroxide from oxygen, hydrogen and optionally water. The invention more particularly relates to a method for preparing an aqueous solution of hydrogen peroxide in which at least a portion of the reactor is cooled down to a temperature lower than 15° C.Type: ApplicationFiled: October 27, 2009Publication date: November 10, 2011Applicants: Arkema France, Uniersite Claude Bernard, Centre National De La Recherche ScientifiqueInventors: Jean-Luc Dubois, Markus Brandhorst, Daniel Bianchi, Frederic Thevenet
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Patent number: 7893255Abstract: The present invention relates to a process for the preparation of lauryllactam in which a Beckmann rearrangement of cyclododecanone oxime is carried out. Said process is carried out in the gas phase at a temperature of between 180 and 450° C. in the presence of a microporous material having a three-dimensional inorganic main structure composed of tetrahedra connected via a common edge, called zeolite.Type: GrantFiled: June 21, 2006Date of Patent: February 22, 2011Assignee: Arkema FranceInventors: Eric Lacroix, Serge Hub, Wolfgang Holderich, Wilm Eickelberg, Francois Fajula, Francesco DiRenzo, Markus Brandhorst
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Patent number: 7759525Abstract: The use of a complex oxide having the following composition (I). Mo12VaX1bX2cX3dX4eOx (I) wherein Mo is molybdenum; V is vanadium; O is oxygen; X1 is at least one element selected from tungsten, titanium, tantalum and niobium; X2 is at least one element selected from copper, antimony, tellurium and bismuth; X3 is at least one element selected from alkaline earth metals; X4 is at least one element selected from alkaline metals; and O<a?10; O?b?4; O<c?5; O?d?2; O?e?2; and x is a numerical value determined by the extents of the oxidation of the other elements, as a catalyst in the preparation of a partial oxidation product of a lower alcohol by direct oxidation of a lower alcohol in the vapor phase.Type: GrantFiled: September 20, 2005Date of Patent: July 20, 2010Assignee: Arkema FranceInventors: Jean-Luc Dubois, Markus Brandhorst, Mickaël Capron, Christophe Dujardin
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Publication number: 20090105507Abstract: The use of a complex oxide having the following composition (I). M012VaX1bX2cX3dX4eOx (I) wherein Mo is molybdenum; V is vanadium; 0 is oxygen; X1 is at least one element selected from tungsten, titanium, tantalum and niobium; X2 is at least one element selected from copper, antimony, tellurium and bismuth; X3 is at least one element selected from alkaline earth metals; X4 is at least one element selected from alkaline metals; and O<a?10; O?b?4; 0<c?5; O<d?2; 0?e?2; and x is a numerical value determined by the extents of the oxidation of the other elements, as a catalyst in the preparation of a partial oxidation product of a lower alcohol by direct oxidation of a lower alcohol in the vapor phase.Type: ApplicationFiled: September 20, 2005Publication date: April 23, 2009Inventors: Jean-Luc Dubois, Markus Brandhorst, Mickael Capron, Christophe Dujardin
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Publication number: 20080214836Abstract: The present invention relates to a process for the preparation of lauryllactam in which a Beckmann rearrangement of cyclododecanone oxime is carried out. Said process is carried out in the gas phase at a temperature of between 180 and 450° C. in the presence of a microporous material having a three-dimensional inorganic main structure composed of tetrahedra connected via a common edge, called zeolite.Type: ApplicationFiled: June 21, 2006Publication date: September 4, 2008Inventors: Eric Lacroix, Serge Hub, Wolfgang Holderich, Wilm Eickelberg, Francois Fajula, Francesco DiRenzo, Markus Brandhorst