Patents by Inventor Matthias Kiefer
Matthias Kiefer 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: 10329502Abstract: A liquid concentrate comprising essentially: (A) 0.1 to 10 wt. % of one or more amphoteric emulsifying agents; (B) 30 to 95 wt. % of one or more nonionic alkoxylated surfactants; (C) 0 to 20 wt. % of one or more glycol-based solubilizers; and (D) 0 to 65 wt. % of one or more organic solvents; wherein component (B) comprises a mixture of C6-C15-alkanol ethoxylates with different carbon numbers for the alkanol unit species, the carbon numbers for the two C6-C15-alkanol ethoxylates which have the highest share in weight in the mixture being at least 1.5 carbon numbers distant from each other, is useful for reducing or eliminating the formation in a liquid hydrocarbon fuel of ice particles having a weight average particle size greater than 1 ?m when said liquid hydrocarbon fuel is cooled to temperatures in the range of from 0 to ?50° C.Type: GrantFiled: August 8, 2018Date of Patent: June 25, 2019Assignee: PALOX LIMITEDInventors: David William Martin, Dietmar Posselt, Gunter Oetter, Matthias Kiefer
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Publication number: 20180346832Abstract: A liquid concentrate comprising essentially: (A) 0.1 to 10 wt. % of one or more amphoteric emulsifying agents; (B) 30 to 95 wt. % of one or more nonionic alkoxylated surfactants; (C) 0 to 20 wt. % of one or more glycol-based solubilizers; and (D) 0 to 65 wt. % of one or more organic solvents; wherein component (B) comprises a mixture of C6-C15-alkanol ethoxylates with different carbon numbers for the alkanol unit species, the carbon numbers for the two C6-C15-alkanol ethoxylates which have the highest share in weight in the mixture being at least 1.5 carbon numbers distant from each other, is useful for reducing or eliminating the formation in a liquid hydrocarbon fuel of ice particles having a weight average particle size greater than 1 ?m when said liquid hydrocarbon fuel is cooled to temperatures in the range of from 0 to ?50° C.Type: ApplicationFiled: August 8, 2018Publication date: December 6, 2018Applicant: Palox LimitedInventors: David William MARTIN, Dietmar POSSELT, Gunter OETTER, Matthias KIEFER
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Patent number: 10093879Abstract: A lubricant composition includes a base oil and a cyclic amine compound. A method of lubricating a system including a fluoropolymer seal with the lubricant composition is also provided. An additive concentrate for a lubricant composition is also provided. The cyclic amine compound is useful for adjusting the total base number of a lubricant composition. The lubricant composition is compatible with fluoropolymer seals.Type: GrantFiled: January 11, 2018Date of Patent: October 9, 2018Assignee: BASF SEInventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
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Publication number: 20180134981Abstract: A lubricant composition includes a base oil and a cyclic amine compound. A method of lubricating a system including a fluoropolymer seal with the lubricant composition is also provided. An additive concentrate for a lubricant composition is also provided. The cyclic amine compound is useful for adjusting the total base number of a lubricant composition. The lubricant composition is compatible with fluoropolymer seals.Type: ApplicationFiled: January 11, 2018Publication date: May 17, 2018Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
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Patent number: 9902916Abstract: A lubricant composition includes a base oil and a cyclic amine compound. A method of lubricating a system including a fluoropolymer seal with the lubricant composition is also provided. An additive concentrate for a lubricant composition is also provided. The cyclic amine compound is useful for adjusting the total base number of a lubricant composition. The lubricant composition is compatible with fluoropolymer seals.Type: GrantFiled: August 14, 2013Date of Patent: February 27, 2018Assignee: BASF SEInventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
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Patent number: 9688938Abstract: A lubricant composition including an acyclic amine compound. A method of lubricating a system including a fluoro-polymer seal with the lubricant composition is also provided. An additive concentrate for a lubricant composition is also provided. The acyclic amine compound is useful for adjusting the total base number of a lubricant composition. The lubricant composition is compatible with fluoropolymer seals.Type: GrantFiled: August 14, 2013Date of Patent: June 27, 2017Assignee: BASF SEInventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
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Publication number: 20150210952Abstract: A lubricant composition includes a base oil and a cyclic amine compound. A method of lubricating a system including a fluoropolymer seal with the lubricant composition is also provided. An additive concentrate for a lubricant composition is also provided. The cyclic amine compound is useful for adjusting the total base number of a lubricant composition. The lubricant composition is compatible with fluoropolymer seals.Type: ApplicationFiled: August 14, 2013Publication date: July 30, 2015Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
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Publication number: 20150210956Abstract: A lubricant composition including an acyclic amine compound. A method of lubricating a system including a fluoro-polymer seal with the lubricant composition is also provided. An additive concentrate for a lubricant composition is also provided. The acyclic amine compound is useful for adjusting the total base number of a lubricant composition. The lubricant composition is compatible with fluoropolymer seals.Type: ApplicationFiled: August 14, 2013Publication date: July 30, 2015Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
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Patent number: 9023970Abstract: Preparation of bifunctional polyisobutenes in which isobutene or an isobutene-containing monomer mixture is polymerized in the presence of a Lewis acid and a compound of the formula I in which X is an acyl radical or the radical of an organic or inorganic acid group, R1 to R4 are identical or different and are hydrogen or a hydrocarbon radical.Type: GrantFiled: October 4, 2013Date of Patent: May 5, 2015Assignee: BASF SEInventors: Arno Lange, Matthias Kiefer, Matthias Kleiner, Szilard Csihony, Dietmar Posselt
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Publication number: 20140107310Abstract: Preparation of bifunctional polyisobutenes in which isobutene or an isobutene-containing monomer mixture is polymerized in the presence of a Lewis acid and a compound of the formula I in which X is an acyl radical or the radical of an organic or inorganic acid group, R1 to R4 are identical or different and are hydrogen or a hydrocarbon radical.Type: ApplicationFiled: October 4, 2013Publication date: April 17, 2014Applicant: BASF SEInventors: Arno LANGE, Matthias KIEFER, Matthias KLEINER, Szilard CSIHONY, Dietmar POSSELT
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Patent number: 8637619Abstract: Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % and a polydispersity of preferably 1.05 to less than 3.5, by polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or of an alkylaluminum halide-donor complex, especially of an aluminum trichloride-donor complex, said complex comprising, as the donor, an organic compound with at least one ether function or a carboxylic ester function.Type: GrantFiled: November 2, 2012Date of Patent: January 28, 2014Assignee: BASF SEInventors: Hannah Maria Koenig, Klaus Muelbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
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Patent number: 8454854Abstract: The present invention relates to antifreeze/anticorrosion concentrates comprising from 10 to 50% by weight, based on the total amount of the concentrate, of glycerol, to processes for preparing such concentrates from superconcentrates, to aqueous coolant compositions from these concentrates, and to their use, for example in internal combustion engines.Type: GrantFiled: March 9, 2011Date of Patent: June 4, 2013Assignee: BASF SEInventors: Claudius Kormann, Colin Irwin, Matthias Kiefer
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Publication number: 20130105407Abstract: The present invention relates to antifreeze/anticorrosion concentrates comprising from 10 to 50% by weight, based on the total amount of the concentrate, of glycerol, to processes for preparing such concentrates from super concentrates, to aqueous coolant compositions from these concentrates, and to their use, for example in internal combustion engines.Type: ApplicationFiled: December 19, 2012Publication date: May 2, 2013Inventors: Claudius KORMANN, Colin Irwin, Matthias Kiefer
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Publication number: 20130059995Abstract: Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % and a polydispersity of preferably 1.05 to less than 3.5, by polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or of an alkylaluminum halide-donor complex, especially of an aluminum trichloride-donor complex, said complex comprising, as the donor, an organic compound with at least one ether function or a carboxylic ester function.Type: ApplicationFiled: November 2, 2012Publication date: March 7, 2013Inventors: Hannah Maria KOENIG, Klaus Muelbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
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Patent number: 8349977Abstract: Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % and a polydispersity of preferably 1.05 to less than 3.5, by polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or of an alkylaluminum halide-donor complex, especially of an aluminum trichloride-donor complex, said complex comprising, as the donor, an organic compound with at least one ether function or a carboxylic ester function.Type: GrantFiled: February 17, 2011Date of Patent: January 8, 2013Assignee: BASF SEInventors: Hannah Maria Koenig, Klaus Muelbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
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Publication number: 20120291339Abstract: A liquid concentrate comprising essentially: (A) 0.1 to 10 wt. % of one or more amphoteric emulsifying agents; (B) 30 to 95 wt. % of one or more nonionic alkoxylated surfactants; (C) 0 to 20 wt. % of one or more glycol-based solubilizers; and (D) 0 to 65 wt. % of one or more organic solvents; wherein component (B) comprises a mixture of C6-C15-alkanol ethoxylates with different carbon numbers for the alkanol unit species, the carbon numbers for the two C6-C15-alkanol ethoxylates which have the highest share in weight in the mixture being at least 1.5 carbon numbers distant from each other, is useful for reducing or eliminating the formation in a liquid hydrocarbon fuel of ice particles having a weight average particle size greater than 1 ?m when said liquid hydrocarbon fuel is cooled to temperatures in the range of from 0 to ?50° C.Type: ApplicationFiled: February 7, 2011Publication date: November 22, 2012Applicant: PALOX LIMITEDInventors: David William Martin, Dietmar Posselt, Gunter Oetter, Matthias Kiefer
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Publication number: 20110201772Abstract: Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % and a polydispersity of preferably 1.05 to less than 3.5, by polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or of an alkylaluminum halide-donor complex, especially of an aluminum trichloride-donor complex, said complex comprising, as the donor, an organic compound with at least one ether function or a carboxylic ester function.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Applicant: BASF SEInventors: Hannah Maria König, Klaus Mühlbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
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Publication number: 20110163260Abstract: The present invention relates to antifreeze/anticorrosion concentrates comprising from 10 to 50% by weight, based on the total amount of the concentrate, of glycerol, to processes for preparing such concentrates from superconcentrates, to aqueous coolant compositions from these concentrates, and to their use, for example in internal combustion engines.Type: ApplicationFiled: March 9, 2011Publication date: July 7, 2011Applicant: BASF AGInventors: Claudius KORMANN, Colin Irwin, Matthias Kiefer
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Patent number: 7927505Abstract: The present invention relates to antifreeze/anticorrosion concentrates comprising from 10 to 50% by weight, based on the total amount of the concentrate, of glycerol, to processes for preparing such concentrates from superconcentrates, to aqueous coolant compositions from these concentrates, and to their use, for example in internal combustion engines.Type: GrantFiled: February 23, 2006Date of Patent: April 19, 2011Assignee: BASF AktiengesellschaftInventors: Claudius Kormann, Colin Irwin, Matthias Kiefer
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Publication number: 20100170142Abstract: The present invention relates to the use of at least one protein, in particular at least one hydrophobin or at least one derivative thereof, for improving phase separation in compositions comprising at least two liquid phases, to methods for separating at least two liquid phases in a composition comprising at least two liquid phases, and to formulations comprising at least one compound selected from the group consisting of fuels, combustibles, crude oils or water-soluble or oil-soluble polymer solutions and at least one protein, in particular at least one hydrophobin or derivatives thereof.Type: ApplicationFiled: March 29, 2006Publication date: July 8, 2010Applicant: BASF AktiengesellschaftInventors: Dietmar Posselt, Werner Schmitt, Marcus Guzmann, Claudius Kormann, Matthias Kiefer, Claus Bollschweiler, Thomas Subkowski, Hans-Georg Lemaire, Marvin Karos, Ulf Baus