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).

  • Patent number: 10329502
    Abstract: 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: Grant
    Filed: August 8, 2018
    Date of Patent: June 25, 2019
    Assignee: PALOX LIMITED
    Inventors: David William Martin, Dietmar Posselt, Gunter Oetter, Matthias Kiefer
  • Publication number: 20180346832
    Abstract: 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: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Applicant: Palox Limited
    Inventors: David William MARTIN, Dietmar POSSELT, Gunter OETTER, Matthias KIEFER
  • Patent number: 10093879
    Abstract: 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: Grant
    Filed: January 11, 2018
    Date of Patent: October 9, 2018
    Assignee: BASF SE
    Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
  • Publication number: 20180134981
    Abstract: 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: Application
    Filed: January 11, 2018
    Publication date: May 17, 2018
    Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
  • Patent number: 9902916
    Abstract: 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: Grant
    Filed: August 14, 2013
    Date of Patent: February 27, 2018
    Assignee: BASF SE
    Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
  • Patent number: 9688938
    Abstract: 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: Grant
    Filed: August 14, 2013
    Date of Patent: June 27, 2017
    Assignee: BASF SE
    Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
  • Publication number: 20150210952
    Abstract: 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: Application
    Filed: August 14, 2013
    Publication date: July 30, 2015
    Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
  • Publication number: 20150210956
    Abstract: 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: Application
    Filed: August 14, 2013
    Publication date: July 30, 2015
    Inventors: Kevin J. Desantis, Michael Hoey, Bjoern Ludolph, Matthias Kiefer
  • Patent number: 9023970
    Abstract: 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: Grant
    Filed: October 4, 2013
    Date of Patent: May 5, 2015
    Assignee: BASF SE
    Inventors: Arno Lange, Matthias Kiefer, Matthias Kleiner, Szilard Csihony, Dietmar Posselt
  • Publication number: 20140107310
    Abstract: 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: Application
    Filed: October 4, 2013
    Publication date: April 17, 2014
    Applicant: BASF SE
    Inventors: Arno LANGE, Matthias KIEFER, Matthias KLEINER, Szilard CSIHONY, Dietmar POSSELT
  • Patent number: 8637619
    Abstract: 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: Grant
    Filed: November 2, 2012
    Date of Patent: January 28, 2014
    Assignee: BASF SE
    Inventors: Hannah Maria Koenig, Klaus Muelbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
  • Patent number: 8454854
    Abstract: 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: Grant
    Filed: March 9, 2011
    Date of Patent: June 4, 2013
    Assignee: BASF SE
    Inventors: Claudius Kormann, Colin Irwin, Matthias Kiefer
  • Publication number: 20130105407
    Abstract: 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: Application
    Filed: December 19, 2012
    Publication date: May 2, 2013
    Inventors: Claudius KORMANN, Colin Irwin, Matthias Kiefer
  • Publication number: 20130059995
    Abstract: 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: Application
    Filed: November 2, 2012
    Publication date: March 7, 2013
    Inventors: Hannah Maria KOENIG, Klaus Muelbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
  • Patent number: 8349977
    Abstract: 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: Grant
    Filed: February 17, 2011
    Date of Patent: January 8, 2013
    Assignee: BASF SE
    Inventors: Hannah Maria Koenig, Klaus Muelbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
  • Publication number: 20120291339
    Abstract: 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: Application
    Filed: February 7, 2011
    Publication date: November 22, 2012
    Applicant: PALOX LIMITED
    Inventors: David William Martin, Dietmar Posselt, Gunter Oetter, Matthias Kiefer
  • Publication number: 20110201772
    Abstract: 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: Application
    Filed: February 17, 2011
    Publication date: August 18, 2011
    Applicant: BASF SE
    Inventors: Hannah Maria König, Klaus Mühlbach, Matthias Kiefer, Sergei V. Kostjuk, Irina Vasilenko, Alexander Frolov
  • Publication number: 20110163260
    Abstract: 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: Application
    Filed: March 9, 2011
    Publication date: July 7, 2011
    Applicant: BASF AG
    Inventors: Claudius KORMANN, Colin Irwin, Matthias Kiefer
  • Patent number: 7927505
    Abstract: 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: Grant
    Filed: February 23, 2006
    Date of Patent: April 19, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Claudius Kormann, Colin Irwin, Matthias Kiefer
  • Publication number: 20100170142
    Abstract: 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: Application
    Filed: March 29, 2006
    Publication date: July 8, 2010
    Applicant: BASF Aktiengesellschaft
    Inventors: Dietmar Posselt, Werner Schmitt, Marcus Guzmann, Claudius Kormann, Matthias Kiefer, Claus Bollschweiler, Thomas Subkowski, Hans-Georg Lemaire, Marvin Karos, Ulf Baus