Patents by Inventor Marcel Oertli
Marcel Oertli 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: 20240417534Abstract: A two-component moisture-curable composition, especially suitable as thermally conductive gap filler, in particular with flame-retardant properties. It is thus highly suitable for use in e-mobility battery bonding or electronic equipment.Type: ApplicationFiled: December 16, 2022Publication date: December 19, 2024Applicant: SIKA TECHNOLOGY AGInventors: David HOFSTETTER, Andrea BATTISTI, Marcel OERTLI, Christian EYHOLZER, Fabien CHOFFAT
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Patent number: 11891546Abstract: A moisture-curable composition, including at least one polymer P containing reactive silane groups; between 0.1 and 5 wt.-%, based on the total composition, of at least one organosilane OS of the formula (I), wherein R20 independently stands for a monovalent, optionally cyclic or branched, hydrocarbyl or heterocarbyl radical, optionally comprising aromatic moieties, which contains 1 to 12 carbon atoms and wherein the carbon atom next to the silicon atom either bonds via a C?C double bond to another carbon atom or bonds to a heteroatom selected from O, N, and S; R21 independently stands for a linear, cyclic, or branched divalent hydrocarbyl radical having 2 to 12 carbon atoms and optionally containing aromatic moieties; R22 stands for a hydrogen atom or a group of the formula (Ia); characterized in that the curable composition does not contain catalytically active organometallic or acidic compounds.Type: GrantFiled: June 24, 2019Date of Patent: February 6, 2024Assignee: SIKA TECHNOLOGY AGInventors: Klaas Mennecke, Marcel Oertli
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Patent number: 11773294Abstract: A method for adhesively bonding two substrates by means of a moisture-curable adhesive composition, wherein at least one of the substrates includes at least 40 wt.-% of a mixture, said mixture consisting of: between 15 and 99 wt.-% of at least one thermoplastic polymer; between 1 and 85 wt.-% of at least one elastomer; and wherein the moisture-curable adhesive composition includes: at least one polymer containing silane groups; between 10 and 40 wt.-% of at least one polymeric plasticizer; between 0.1 and 5 wt.-% of at least one amino-functional alkoxysilane; between 0 and 5 wt.-% of at least one C1-C12-alkyl-functional alkoxysilane. The method yields adhesively bonded substrates without the requirements of using migrating plasticizers and pre-treating of the substrates.Type: GrantFiled: March 19, 2020Date of Patent: October 3, 2023Assignee: SIKA TECHNOLOGY AGInventors: Marcel Oertli, Robert Roskamp, Helena Wallimann, Christoph Fäh, Fabien Choffat
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Patent number: 11613682Abstract: A moisture-curable composition having flame retardant properties and to the use thereof as an adhesive, sealant or coating. The composition according to the invention contains at least one moisture-reactive polymer in a proportion of 10% to 50% by weight, at least one precipitated, surface-coated aluminum trihydrate in a proportion of 30% to 60% by weight and in preferred embodiments up to 25% by weight of at least one phosphorus-containing compound and up to 20% by weight of at least one carbon additive. The inventive moisture-curable composition has excellent flame retardant properties and after curing remains resistant for a long time at high heat levels.Type: GrantFiled: July 21, 2017Date of Patent: March 28, 2023Assignee: SIKA TECHNOLOGY AGInventors: Klaas Mennecke, Sven Reimann, Marcel Oertli
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Publication number: 20230072857Abstract: A silane group-containing polymer obtained from reacting (i) an isocyanate group-containing polymer having an NCO content in the range of 0.3 to 4% by weight and a monomeric diisocyanate content of at most 0.3 wt. % obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol in a molar NCO/OH ratio of at least 3/1 and subsequent removal of a major part of the unreacted monomeric diisocyanates by means of a suitable separation process, (ii) with at least one amino-, mercapto- or hydroxysilane in a stoichiometric ratio of at least 1 mole of amino-, mercapto- or hydroxysilane per mole equivalent of isocyanate groups.Type: ApplicationFiled: February 3, 2021Publication date: March 9, 2023Applicant: SIKA TECHNOLOGY AGInventors: Andreas KRAMER, Marcel OERTLI, Ursula STADELMANN, Sven REIMANN
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Publication number: 20230054396Abstract: A branched polymer containing silane groups having an average of at least 2.1 silane groups per molecule, from the reaction of (i) a polymer containing isocyanate groups and having an NCO content ranging from 0.7% to 4% by weight, obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol in a molar NCO/OH ratio of at least 1.5/1, (ii) with at least one amino-, mercapto- or hydroxysilane, in a stoichiometric ratio of at least 1 mol of amino-, mercapto- or hydroxysilane per molar equivalent of isocyanate groups. The polymer containing silane groups is storage-stable, liquid at room temperature and easily handled, and permits curable compositions having excellent processability, rapid curing, high strength coupled with good extensibility, and good thermal stability. It is particularly suitable as a constituent of moisture-curable sealants, adhesives or coatings, additionally including a further, in particular linear, polymer containing silane groups.Type: ApplicationFiled: February 3, 2021Publication date: February 23, 2023Applicant: SIKA TECHNOLOGY AGInventors: Andreas KRAMER, Marcel OERTLI, Ursula STADELMANN, Sven REIMANN
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Publication number: 20220073688Abstract: A method for adhesively bonding two substrates by means of a moisture-curable adhesive composition, wherein at least one of the substrates includes at least 40 wt.-% of a mixture, said mixture consisting of: between 15 and 99 wt.-% of at least one thermoplastic polymer; between 1 and 85 wt.-% of at least one elastomer; and wherein the moisture-curable adhesive composition includes: at least one polymer containing silane groups; between 10 and 40 wt.-% of at least one polymeric plasticizer; between 0.1 and 5 wt.-% of at least one amino-functional alkoxysilane; between 0 and 5 wt.-% of at least one C1-C12-alkyl-functional alkoxysilane. The method yields adhesively bonded substrates without the requirements of using migrating plasticizers and pre-treating of the substrates.Type: ApplicationFiled: March 19, 2020Publication date: March 10, 2022Applicant: SIKA TECHNOLOGY AGInventors: Marcel OERTLI, Robert ROSKAMP, Helena WALLIMANN, Christoph FÄH, Fabien CHOFFAT
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Patent number: 11098228Abstract: An adhesive composition, including at least polymer containing silane groups, between 15 and 35 wt.-% of at least one polymeric plasiticzer, between 0.5 and 2.5 wt.-% of at least one monomeric or oligomeric aminofunctional alkoxysilane S1 with a nitrogen content of between 4.5 and 14.5 wt.-%, and between 0.5 and 2.5 wt.-% of at least one oligomeric aminofunctional alkoxysilane S2 with a nitrogen content of between 15 and 20 wt.-%. The adhesive composition is particularly suitable to seal or bond thermoplastic substrates, such as polyolefins or bituminous materials, and shows fast adhesion build-up and low volatile organic carbon (VOC).Type: GrantFiled: September 17, 2018Date of Patent: August 24, 2021Assignee: SIKA TECHNOLOGY AGInventors: Oscar Larsson, Marcel Oertli
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Publication number: 20210115311Abstract: A moisture-curable composition, including at least one polymer P containing reactive silane groups; between 0.1 and 5 wt.-%, based on the total composition, of at least one organosilane OS of the formula (I), wherein R20 independently stands for a monovalent, optionally cyclic or branched, hydrocarbyl or heterocarbyl radical, optionally comprising aromatic moieties, which contains 1 to 12 carbon atoms and wherein the carbon atom next to the silicon atom either bonds via a C?C double bond to another carbon atom or bonds to a heteroatom selected from O, N, and S; R21 independently stands for a linear, cyclic, or branched divalent hydrocarbyl radical having 2 to 12 carbon atoms and optionally containing aromatic moieties; R22 stands for a hydrogen atom or a group of the formula (Ia); characterized in that the curable composition does not contain catalytically active organometallic or acidic compounds.Type: ApplicationFiled: June 24, 2019Publication date: April 22, 2021Applicant: SIKA TECHNOLOGY AGInventors: Klaas MENNECKE, Marcel OERTLI
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Publication number: 20200362212Abstract: An adhesive composition, including at least polymer containing silane groups, between 15 and 35 wt.-% of at least one polymeric plasiticzer, between 0.5 and 2.5 wt.-% of at least one monomeric or oligomeric aminofunctional alkoxysilane S1 with a nitrogen content of between 4.5 and 14.5 wt.-%, and between 0.5 and 2.5 wt.-% of at least one oligomeric aminofunctional alkoxysilane S2 with a nitrogen content of between 15 and 20 wt.-%. The adhesive composition is particularly suitable to seal or bond thermoplastic substrates, such as polyolefins or bituminous materials, and shows fast adhesion build-up and low volatile organic carbon (VOC).Type: ApplicationFiled: September 17, 2018Publication date: November 19, 2020Applicant: SIKA TECHNOLOGY AGInventors: Oscar LARSSON, Marcel OERTLI
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Publication number: 20190169476Abstract: A moisture-curable composition having flame retardant properties and to the use thereof as an adhesive, sealant or coating. The composition according to the invention contains at least one moisture-reactive polymer in a proportion of 10% to 50% by weight, at least one precipitated, surface-coated aluminum trihydrate in a proportion of 30% to 60% by weight and in preferred embodiments up to 25% by weight of at least one phosphorus-containing compound and up to 20% by weight of at least one carbon additive. The inventive moisture-curable composition has excellent flame retardant properties and after curing remains resistant for a long time at high heat levels.Type: ApplicationFiled: July 21, 2017Publication date: June 6, 2019Applicant: SIKA TECHNOLOGY AGInventors: Klaas MENNECKE, Sven REIMANN, Marcel OERTLI
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Patent number: 9334433Abstract: The current invention relates to a moisture-hardening composition that contains, in addition to a silane-functional polymer with end groups of formula (I), a reaction product that can be manufactured from an amino silane with primary amino groups and an alkene that is free of silane groups. The compositions are characterized by improved expandability with concurrent high reactivity, good adhesion characteristics, and high tear strength and are suited especially for use as elastic bonding substance or sealant.Type: GrantFiled: February 22, 2013Date of Patent: May 10, 2016Assignee: SIKA TECHNOLOGY AGInventors: Marcel Oertli, Barbara Jucker, Ueli Pfenninger, Pierre-Andre Butikofer
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Patent number: 8697815Abstract: A silane-functional polyester of formula (I): wherein Y is an n-valent residue of a polyester P which is solid at room temperature and terminated by hydroxy groups, after removal of n hydroxy groups; R1 is a linear or branched, monovalent carbon residue having 1 to 12 carbon atoms, optionally having one or more C—C multiple bonds and/or having optionally cycloaliphatic and/or aromatic portions; R2 is an acyl residue or a linear or branched, monovalent hydrocarbon residue having 1 to 12 carbon atoms, optionally having one or more C—C multiple bonds and/or having optionally cycloaliphatic and/or aromatic portions; R3 is a linear or branched, divalent hydrocarbon residue having 1 to 12 carbon atoms, optionally having cyclic and/or aromatic portions, and optionally having one or more heteroatoms; the index a has a value of 0, 1 or 2; and the index n has a value of 1 to 3.Type: GrantFiled: November 28, 2011Date of Patent: April 15, 2014Assignee: Sika Technology AGInventors: Daniele Rutz, Marcel Oertli, Barbara Jucker
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Patent number: 8623170Abstract: A composition including: i) at least one moisture-reactive silane-functional polymer which is liquid at room temperature; and ii) at least one silane-functional polyester of formula (I):Type: GrantFiled: November 28, 2011Date of Patent: January 7, 2014Assignee: Sika Technology AGInventors: Marcel Oertli, Daniele Rutz, Barbara Jucker
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Patent number: 8399102Abstract: The current invention relates to a moisture-hardening composition that contains, in addition to a silane-functional polymer with end groups of formula (I), a reaction product that can be manufactured from an amino silane with primary amino groups and an alkene that is free of silane groups. The compositions are characterized by improved expandability with concurrent high reactivity, good adhesion characteristics, and high tear strength and are suited especially for use as elastic bonding substance or sealant.Type: GrantFiled: April 26, 2007Date of Patent: March 19, 2013Assignee: Sika Technology AGInventors: Marcel Oertli, Barbara Jucker, Ueli Pfenninger, Pierre-André Bütikofer
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Patent number: 8372514Abstract: The present invention relates to moisture-curing compositions that comprise, in addition to a first type of polymer having a specific end group, at least one additional type of polymer having a different specific end group. It has been shown that such compositions have a surprisingly quick adhesive formation and a low amount of seepage.Type: GrantFiled: September 24, 2008Date of Patent: February 12, 2013Assignee: Sika Technology AGInventors: Marcel Oertli, Barbara Jucker
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Publication number: 20120298300Abstract: A composition including: i) at least one moisture-reactive silane-functional polymer which is liquid at room temperature; and ii) at least one silane-functional polyester of formula (I):Type: ApplicationFiled: November 28, 2011Publication date: November 29, 2012Applicant: SIKA TECHNOLOGY AGInventors: Marcel Oertli, Daniele Rutz, Barbara Jucker
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Publication number: 20120298299Abstract: A silane-functional polyester of formula (I): wherein Y is an n-valent residue of a polyester P which is solid at room temperature and terminated by hydroxy groups, after removal of n hydroxy groups; R1 is a linear or branched, monovalent carbon residue having 1 to 12 carbon atoms, optionally having one or more C—C multiple bonds and/or having optionally cycloaliphatic and/or aromatic portions; R2 is an acyl residue or a linear or branched, monovalent hydrocarbon residue having 1 to 12 carbon atoms, optionally having one or more C—C multiple bonds and/or having optionally cycloaliphatic and/or aromatic portions; R3 is a linear or branched, divalent hydrocarbon residue having 1 to 12 carbon atoms, optionally having cyclic and/or aromatic portions, and optionally having one or more heteroatoms; the index a has a value of 0, 1 or 2; and the index n has a value of 1 to 3.Type: ApplicationFiled: November 28, 2011Publication date: November 29, 2012Applicant: SIKA TECHNOLOGY AGInventors: Daniele Rutz, Marcel Oertli, Barbara Jucker
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Patent number: 8012302Abstract: Moisture-curing compositions include at least one silane-functional polymer P with at least two terminal groups of formula (I) and at least one reaction product R which is produced from at least one aminosilane AS with at least one primary amino group and at least one silane group-free alkene M which is capable of entering in 1,4 addition reactions with primary amino groups. The compositions have improved adhesive properties and are especially suitable for use as adhesives, sealing materials or coatings, especially as elastic adhesive or sealing materials.Type: GrantFiled: January 24, 2007Date of Patent: September 6, 2011Assignee: Sika Technology AGInventors: Barbara Jucker, Marcel Oertli, Pierre-André Buetikofer, Urs Burckhardt
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Publication number: 20100247929Abstract: The present invention relates to moisture-curing compositions that comprise, in addition to a first type of polymer having a specific end group, at least one additional type of polymer having a different specific end group. It has been shown that such compositions have a surprisingly quick adhesive formation and a low amount of seepage.Type: ApplicationFiled: September 24, 2008Publication date: September 30, 2010Applicant: Sika Technology AGInventors: Marcel Oertli, Barbara Jucker