Patents by Inventor Oliver Klockmann
Oliver Klockmann 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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Patent number: 11254693Abstract: The invention relates to benzothiazole-containing silanes of the formula I which are prepared by reacting benzothiazole-containing silanes of the formula II with a compound of formula III R2—H??(III). The benzothiazole-containing silanes of the formula I can be used in rubber mixtures.Type: GrantFiled: April 25, 2018Date of Patent: February 22, 2022Assignee: Evonik Operations GmbHInventors: Alexander Koepfer, Oliver Klockmann, Olga Kufelt, Stefanie Mayer, Caren Roeben, Sebastian Rosenstingl, Andre Wehmeier
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Publication number: 20200048285Abstract: The invention relates to benzothiazole-containing silanes of the formula I which are prepared by reacting benzothiazole-containing silanes of the formula II with a compound of formula III R2—H??(III). The benzothiazole-containing silanes of the formula I can be used in rubber mixtures.Type: ApplicationFiled: April 25, 2018Publication date: February 13, 2020Applicant: Evonik Degussa GmbHInventors: Alexander KOEPFER, Oliver KLOCKMANN, Olga KUFELT, Stefanie MAYER, Caren ROEBEN, Sebastian ROSENSTINGL, Andre WEHMEIER
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Patent number: 9617287Abstract: Mercaptosilanes are disclosed of the formula I wherein R1 is an alkyl polyether group —O—(R5—O)m—R6. They are prepared by a procedure in which a silane of the formula II is subjected to a catalyzed reaction with an alkyl polyether R1—H, R7—OH being split off, the molar ratio of the alkyl polyethers R1—H to the silane of the formula II is at least 0.5 and R7—OH is separated off from the reaction mixture continuously or discontinuously. They can be used in shaped articles.Type: GrantFiled: August 2, 2011Date of Patent: April 11, 2017Assignee: EVONIK DEGUSSA GMBHInventors: Oliver Klockmann, Philipp Albert, Andre Hasse, Karsten Korth, Relmund Pieter
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Patent number: 9598562Abstract: The invention provides mercaptosilane-carbon black blends comprising at least 20 wt. % of mercaptosilanes of the general formula I and carbon black, the mercaptosilane-carbon black blend having an iron content of <9 ppm. They are produced by mixing the mercaptosilanes of the general formula I with the carbon black. They can be used in rubber mixtures.Type: GrantFiled: March 11, 2013Date of Patent: March 21, 2017Assignee: EVONIK DEGUSSA GMBHInventors: Anke Blume, Oliver Klockmann
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Patent number: 9550887Abstract: A rubber mixture, comprising (A) at least one rubber selected from the group of ethylene-propylene-diene copolymer (EPDM), ethylene-propylene copolymer (EPM), chloroprene rubber (CR), chloropolyethylene (CM), chloro-isobutene-isoprene (chlorobutyl) rubber (CIIR), chlorosulfonyl polyethylene (CSM), etylene-vinyl acetate copolymer (EAM), alkyl acrylate copolymer (ACM), polyester polyurethan (AU), polyether polyurethane (EU), bromo-isobutene-isoprene (bromobutyl)rubber (BIIR), polychlorotrifluoroethylene (CFM), isobutene-isoprene rubber (butyl rubber, IIR), isobutene rubber (IM), polyisoprene (IR), thermoplastic polyester polyurethane (YAU), thermoplastic polyether polyurethane (YEU), silicone rubber with methyl groups on the polymer chain (MQ), hydrogenated acrylonitrile-butadiene rubber (HNBR), acrylonitrile-butadiene rubber (NBR) or carboxylated acrylonitrile-butadiene rubber (XNBR), (B) at least one oxidic filler, and (C) at least one silicon containing azodicarbamide of the general formula I (R1)3-a(R2)Type: GrantFiled: March 28, 2012Date of Patent: January 24, 2017Assignee: EVONIK DEGUSSA GMBHInventors: Anke Blume, Oliver Klockmann, Dörte Kellerhof
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Publication number: 20150175782Abstract: The invention provides mercaptosilane-carbon black blends comprising at least 20 wt. % of mercaptosilanes of the general formula I and carbon black, the mercaptosilane-carbon black blend having an iron content of <9 ppm. They are produced by mixing the mercaptosilanes of the general formula I with the carbon black. They can be used in rubber mixtures.Type: ApplicationFiled: March 11, 2013Publication date: June 25, 2015Applicant: EVONIK INDUSTRIES AGInventors: Anke Blume, Oliver Klockmann
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Patent number: 9029450Abstract: Mixtures of silicon-containing coupling reagents comprising (mercaptoorganyl)alkylpolyethersilanes containing silanol groups and (mercaptoorganyl)alkylpolyethersilanes free of silanol groups in a weight ratio of from 5:95 to 95:5. The mixtures can be prepared by transesterification and hydrolysis. The mixtures can be used in rubber mixtures.Type: GrantFiled: June 11, 2007Date of Patent: May 12, 2015Assignee: Evonik Degussa GmbHInventors: Philipp Albert, Manuel Friedel, Karsten Korth, Andre Hasse, Oliver Klockmann
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Patent number: 8664370Abstract: The invention relates to a process for preparing silicon-containing azodicarbamides of the general formula (I) (R1)3-a(R2)aSi—RI—NH—C(O)—N?N—C(O)—NH—RI—Si(R1)3-a(R2)a (I), by reaction of azobiscarboxy compounds of the general formula II R3—X1—C(O)—N?N—C(O)—X1—R4 (II) with aminosilanes of the general formula III (R1)3-a(R2)aSi—RI—NH2 (III).Type: GrantFiled: March 11, 2011Date of Patent: March 4, 2014Assignee: Evonik Degussa GmbHInventors: Karsten Korth, Julia Keck, Susann Witzsche, Oliver Klockmann, Jaroslaw Monkiewicz, Christian Springer
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Publication number: 20130012691Abstract: The invention relates to a process for preparing silicon-containing azodicarbamides of the general formula (I) (R1)3-a(R2)aSi—RI—NH—C(O)—N?N—C(O)—NH—RI—Si(R1)3-a(R2)a (I), by reaction of azobiscarboxy compounds of the general formula II R3—X1—C(O)—N?N—C(O)—X1—R4 (II) with aminosilanes of the general formula III (R1)3-a(R2)aSi—RI—NH2 (III).Type: ApplicationFiled: March 15, 2011Publication date: January 10, 2013Inventors: Karsten Korth, Julia Keck, Susann Witzsche, Oliver Klockmann, Jaroslaw Monkiewicz, Christian Springer
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Publication number: 20120251751Abstract: A rubber mixture, comprising (A) at least one rubber selected from the group of ethylene-propylene-diene copolymer (EPDM), ethylene-propylene copolymer (EPM), chloroprene rubber (CR), chloropolyethylene (CM), chloro-isobutene-isoprene (chlorobutyl) rubber (CIIR), chlorosulfonyl polyethylene (CSM), etylene-vinyl acetate copolymer (EAM), alkyl acrylate copolymer (ACM), polyester polyurethan (AU), polyether polyurethane (EU), bromo-isobutene-isoprene (bromobutyl)rubber (BIIR), polychlorotrifluoroethylene (CFM), isobutene-isoprene rubber (butyl rubber, IIR), isobutene rubber (IM), polyisoprene (IR), thermoplastic polyester polyurethane (YAU), thermoplastic polyether polyurethane (YEU), silicone rubber with methyl groups on the polymer chain (MQ), hydrogenated acrylonitrile-butadiene rubber (HNBR), acrylonitrile-butadiene rubber (NBR) or carboxylated acrylonitrile-butadiene rubber (XNBR), (B) at least one oxidic filler, and (C) at least one silicon containing azodicarbamide of the general formula I (R1)3-Type: ApplicationFiled: March 28, 2012Publication date: October 4, 2012Applicant: Evonik Degussa GmbHInventors: Anke Blume, Oliver Klockmann, Dörte Kellerhof
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Patent number: 8252863Abstract: Rubber mixtures, including at least one rubber, a filler, an organosilicon compound of the formula I one rubber accelerator and one co-accelerator. The rubber mixtures are prepared by mixing at least one rubber, a filler, an organosilicon compound of the formula I, one rubber accelerator and one co-accelerator. The rubber mixtures can be used for production of moldings. Also disclosed is a process for preparation of the organosilicon compound of the formula I via transesterification.Type: GrantFiled: January 9, 2007Date of Patent: August 28, 2012Assignee: Evonik Degussa GmbHInventors: Andre Hasse, Karsten Korth, Ingo Kiefer, Susann Witzsche, Philipp Albert, Oliver Klockmann
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Patent number: 8242193Abstract: Rubber mixtures containing at least one rubber and an organosilicon compound of the general formula (I) (Q-)kG-Si(—O—CX1X2—CX1X3—)3N. The rubber mixture is prepared by mixing at least one rubber and an organosilicon compound of the formula (I). The rubber mixtures can be used for the production of moldings.Type: GrantFiled: August 15, 2006Date of Patent: August 14, 2012Assignee: Evonik Degussa GmbHInventors: Karsten Korth, Andre Hasse, Susann Witzsche, Oliver Klockmann, Philipp Albert
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Patent number: 8236882Abstract: A rubber mixture which exhibits reliable processability contains (A) a rubber or mixture of rubbers, (B) a filler, (C) at least one organosilane, (D) a thiuram accelerator, and (E) a nitrogen-containing co-activator. A weight ratio of thiuram accelerator (D) to nitrogen-containing co-activator (E) is equal to or greater than 1.Type: GrantFiled: November 19, 2004Date of Patent: August 7, 2012Assignee: Evonik Degussa GmbHInventors: Oliver Klockmann, Andre Hasse, Hans-Detlef Lughinsland
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Publication number: 20110287205Abstract: Mercaptosilanes are disclosed of the formula I wherein R1 is an alkyl polyether group —O—(R5—O)m—R6. They are prepared by a procedure in which a silane of the formula II is subjected to a catatyzed reaction with an alkyl polyether R1—H, R7—OH being split off, the molar ratio of the alkyl polyethers R1—H to the silane of the formula II is at least 0.5 and R7—OH is separated off from the reaction mixture continuously or discontinuously. They can be used in shaped articles.Type: ApplicationFiled: August 2, 2011Publication date: November 24, 2011Inventors: Oliver Klockmann, Philipp Albert, Andre Hasse, Karsten Korth, Relmund Pieter
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Patent number: 8013178Abstract: Mercaptosilanes are disclosed of the formula I wherein R1 is an alkyl polyether group —O—(R5—O)m—R6. They are prepared by a procedure in which a silane of the formula II is subjected to a catalyzed reaction with an alkyl polyether R1—H, R7—OH being split off, the molar ratio of the alkyl polyethers R1—H to the silane of the formula II is at least 0.5 and R7—OH is separated off from the reaction mixture continuously or discontinuously. They can be used in shaped articles.Type: GrantFiled: January 20, 2006Date of Patent: September 6, 2011Assignee: Evonik Degussa GmbHInventors: Oliver Klockmann, Philipp Albert, Andre Hasse, Karsten Korth, Reimund Pieter
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Publication number: 20110034584Abstract: Mixtures of silicon-containing coupling reagents comprising (mercaptoorganyl)alkylpolyethersilanes containing silanol groups and (mercaptoorganyl)alkylpolyethersilanes free of silanol groups in a weight ratio of from 5:95 to 95:5. The mixtures can be prepared by transesterification and hydrolysis. The mixtures can be used in rubber mixtures.Type: ApplicationFiled: June 11, 2007Publication date: February 10, 2011Inventors: Philipp Albert, Manuel Friedel, Karsten Korth, Andre Hasse, Oliver Klockmann
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Patent number: 7777063Abstract: The invention relates to organosilicon compounds, and to the ways in which they can be made and used.Type: GrantFiled: August 15, 2006Date of Patent: August 17, 2010Assignee: Evonik Degussa GmbHInventors: Karsten Korth, Andre Hasse, Susann Witzsche, Oliver Klockmann, Philipp Albert
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Patent number: 7705076Abstract: The invention relates to rubber mixtures, comprising: (A) at least one rubber, (B) at least one oxidic filler and (C) at least one (haloorganyl)alkylpolyethersilane of the general formula (X)(X?)(X?)Si—RI-Hal. The rubber mixtures can be used for production of mouldings.Type: GrantFiled: May 10, 2007Date of Patent: April 27, 2010Assignee: Evonik Degussa GmbHInventors: Karsten Korth, Andre Hasse, Dirk Laur, Ingo Kiefer, Oliver Klockmann, Philipp Albert, Manuel Friedel
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Patent number: 7662874Abstract: Rubber mixtures are disclosed comprising (A) at least one styrene-butadiene rubber, (B) at least one filler and (C) at least one polysulphidic organo(alkyl polyether silane) of the general formula I [(X)(X?)(X?)Si—RI]2—Sm??I. The mixtures are prepared by mixing at least one styrene-butadiene rubber, and at least one filler and one polysulphidic organo(alkyl polyether silane) of the formula (I). The rubber mixtures can be used for the production of mouldings.Type: GrantFiled: January 31, 2007Date of Patent: February 16, 2010Assignee: Evonik Degussa GmbHInventors: Karsten Korth, Andre Hasse, Philipp Albert, Oliver Klockmann
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Publication number: 20090312476Abstract: The invention relates to rubber mixtures, comprising: (A) at least one rubber, (B) at least one oxidic filler and (C) at least one (haloorganyl)alkylpolyethersilane of the general formula (X)(X?)(X?)Si—R1—Hal. The rubber mixtures can be used for production of mouldings.Type: ApplicationFiled: May 10, 2007Publication date: December 17, 2009Applicant: Evonik Degussa GmbHInventors: Karsten Korth, Andre Hasse, Dirk Laur, Ingo Kiefer, Oliver Klockmann, Philipp Albert, Manuel Friedel