Patents by Inventor Dietmar Posselt
Dietmar Posselt 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: 20140163224Abstract: The use of tetrahydrobenzoxazines I where R1 is a hydrocarbyl radical and R2, R3, R4 and R5 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals, and where R2 to R5 may also form a second and a third tetrahydrooxazine ring, with the proviso that at least one of the substituents has from 4 to 3000 carbon atoms and the remaining substituents, when they are hydrocarbyl radicals, each have from 1 to 20 carbon atoms, as stabilizers for stabilizing inanimate organic material, especially turbine fuels, against the action of light, oxygen and heat.Type: ApplicationFiled: February 12, 2014Publication date: June 12, 2014Applicant: BASF SEInventors: Arno LANGE, Helmut MACH, Hans Peter RATH, 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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Publication number: 20140024568Abstract: A synergistic mixture comprising from 1 to 99.9% by weight of compounds having structural elements (I) in which the free valencies on the oxygen atom and on the nitrogen atom may be combined to form a five-, six- or seven-membered ring and the benzene ring may also bear substituents at one or more of the free positions, and from 0.1 to 99% by weight of sulfur-containing organic compounds with antioxidant action. This synergistic mixture is suitable as a stabilizer for stabilizing inanimate organic material, especially mineral oil products and fuels, against the action of light, oxygen and heat.Type: ApplicationFiled: September 26, 2013Publication date: January 23, 2014Applicant: BASF SEInventors: Arno LANGE, Dietmar Posselt
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Patent number: 8551365Abstract: An additive formulation suitable for antistatic modification and improving the electrical conductivity of inanimate organic material, consisting essentially of (A) from 1 to 50% by weight of an olefin-sulfur dioxide copolymer, (B) from 1 to 50% by weight of a compound which comprises one or more basic nitrogen atoms and has at least one relatively long-chain linear or branched hydrocarbon radical having at least four carbon atoms or an equivalent structural element which ensures the solubility of component (B) in the inanimate organic material, (C) from 0.1 to 30% by weight of an oil-soluble acid and (D) from 1 to 80% by weight of a high-boiling organic solvent which consists of one or more molecule types, where at least 80% by weight of these molecule types have a boiling point of more than 150° C. at standard pressure, where the sum of all components adds up to 100% by weight.Type: GrantFiled: February 28, 2008Date of Patent: October 8, 2013Assignee: BASF SEInventors: Dietmar Posselt, Frank-Olaf Maehling, Arno Lange, Anja Vinckier, Claudius Kormann
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Patent number: 8496716Abstract: Polyisobutenylphenol-containing Mannich adducts are prepared by a) alkylation of a phenol with highly reactive polyisobutene at below about 50° C. in the presence of an alkylation catalyst; b) reaction of the reaction product from a) with formaldehyde, an oligomer or a polymer of formaldehyde and at least one amine which has at least one secondary amino function and no primary amino function, or c) reaction of the reaction product from a) with at least one adduct of at least one amine which has at least one secondary or primary amino function and formaldehyde, an oligomer of formaldehyde, a polymer of formaldehyde or a formaldehyde equivalent, and are used as detergent additives in fuel and lubricant compositions, and additive concentrates, fuel compositions and lubricant compositions contain these Mannich adducts.Type: GrantFiled: June 24, 2011Date of Patent: July 30, 2013Assignee: BASF SEInventors: Arno Lange, Hans Peter Rath, Dietmar Posselt, Irene Troetsch-Schaller, Marc Walter
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Publication number: 20130130956Abstract: A synergistic mixture comprising from 1 to 99.9% by weight of compounds having structural elements (I) in which the free valencies on the oxygen atom and on the nitrogen atom may be combined to form a five-, six- or seven-membered ring and the benzene ring may also bear substituents at one or more of the free positions, and from 0.1 to 99% by weight of sulfur-containing organic compounds with antioxidant action. This synergistic mixture is suitable as a stabilizer for stabilizing inanimate organic material, especially mineral oil products and fuels, against the action of light, oxygen and heat.Type: ApplicationFiled: January 14, 2013Publication date: May 23, 2013Inventors: Arno LANGE, Dietmar Posselt
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Publication number: 20130091762Abstract: This invention relates to an additive package containing an organic solvent, a detergent additive and a reaction product mixture obtained by reacting a carboxylic acid compound of formula (I): R1COOR2 with an alkanol amine of formula (II): NHR3R4 to form a reaction product containing a polysubstituted alkanol amine derivative, where the reaction is performed by: (a) heating the carboxylic acid of formula (I) to a first temperature; (b) adding thereto the alkanol amine of formula (II) under controlled conditions avoiding an increase of temperature above the first temperature range; (c) maintaining temperature in the first temperature range; and (d) increasing the temperature of the reaction mixture to a second temperature in a second temperature range of 160 to 210° C. and allowing further reaction of residual free carboxylic acid molecules with any reactive group in the reaction mixture.Type: ApplicationFiled: December 7, 2012Publication date: April 18, 2013Inventors: Ludwig VOELKEL, Dietmar Posselt, Alfred Karl Jung, Markus Kummeter, Gero Nordmann, Andrea Misske
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Patent number: 8409474Abstract: The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I where R1 is a hydrocarbyl radical and R2, R3, R4 and R5 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals with one or more of the same or different phenols II where R7, R8, R9 and R10 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals, and/or with one or more of the same or different tetrahydrobenzoxazines I, with the proviso that at least one of the substituents has from 13 to 3000 carbon atoms and the remaining substituents, when they are hydrocarbyl radicals, have in each case from 1 to 20 carbon atoms as stabilizers for stabilizing inanimate organic material against the action of light, oxygen and heat.Type: GrantFiled: February 21, 2007Date of Patent: April 2, 2013Assignee: BASF SEInventors: Arno Lange, Helmut Mach, Hans Peter Rath, Dietmar Posselt
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Patent number: 8377336Abstract: The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I where R1 is a hydrocarbyl radical and R2, R3, R4 and R5 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals with one or more of the same or different phenols II where R7, R8, R9 and R10 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals, and/or with one or more of the same or different tetrahydrobenzoxazines I, with the proviso that at least one of the substituents has from 13 to 3000 carbon atoms and the remaining substituents, when they are hydrocarbyl radicals, have in each case from 1 to 20 carbon atoms as stabilizers for stabilizing inanimate organic material against the action of light, oxygen and heat.Type: GrantFiled: January 28, 2011Date of Patent: February 19, 2013Assignee: BASF SEInventors: Arno Lange, Helmut Mach, Hans Peter Rath, Dietmar Posselt
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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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Patent number: 8038740Abstract: The present invention relates to the use of at least one hydrophobin or of a derivative thereof as a defoamer in additive compositions or fuels, to a process for defoaming fuels, to an additive and fuel composition comprising at least one hydrophobin or derivative thereof and at least one further fuel additive, and to a process for preparing at least one fuel composition.Type: GrantFiled: October 9, 2006Date of Patent: October 18, 2011Assignee: BASF SEInventors: Thomas Subkowski, Hans-Georg Lemaire, Marvin Karos, Susan Hammer, Joern Karl, Dietmar Posselt
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Publication number: 20110251114Abstract: Polyisobutenylphenol-containing Mannich adducts are prepared by a) alkylation of a phenol with highly reactive polyisobutene at below about 50° C. in the presence of an alkylation catalyst; b) reaction of the reaction product from a) with formaldehyde, an oligomer or a polymer of formaldehyde and at least one amine which has at least one secondary amino function and no primary amino function, or c) reaction of the reaction product from a) with at least one adduct of at least one amine which has at least one secondary or primary amino function and formaldehyde, an oligomer of formaldehyde, a polymer of formaldehyde or a formaldehyde equivalent, and are used as detergent additives in fuel and lubricant compositions, and additive concentrates, fuel compositions and lubricant compositions contain these Mannich adducts.Type: ApplicationFiled: June 24, 2011Publication date: October 13, 2011Applicant: BASF SEInventors: Arno LANGE, Hans Peter RATH, Dietmar POSSELT, Irene TRÖTSCH-SCHALLER, Marc WALTER
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Patent number: 8016898Abstract: Polyisobutenylphenol-containing Mannich adducts are prepared by a) alkylation of a phenol with highly reactive polyisobutene having a number average molecular weight of less than 1000 and a polydispersity of less than 3.0, at below about 50° C. in the presence of an alkylation catalyst; b) reaction of the reaction product from a) with b1) an aldehyde chosen from formaldehyde, an oligomer and a polymer of formaldehyde and b2) at least one amine which has at least one primary or one secondary amino function and are used as detergent additives in fuel and lubricant compositions, and additive concentrates, fuel compositions and lubricant compositions contain these Mannich adducts.Type: GrantFiled: October 5, 2000Date of Patent: September 13, 2011Assignee: BASF AktiengesellschaftInventors: Arno Lange, Hans Peter Rath, Dietmar Posselt, Irene Trötsch-Schaller, Marc Walter
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Patent number: 7988749Abstract: Polyisobutenylphenol-containing Mannich adducts are prepared by a) alkylation of a phenol with highly reactive polyisobutene at below about 50° C. in the presence of an alkylation catalyst; b) reaction of the reaction product from a) with formaldehyde, an oligomer or a polymer of formaldehyde and at least one amine which has at least one secondary amino function and no primary amino function, or c) reaction of the reaction product from a) with at least one adduct of at least one amine which has at least one secondary or primary amino function and formaldehyde, an oligomer of formaldehyde, a polymer of formaldehyde or a formaldehyde equivalent, and are used as detergent additives in fuel and lubricant compositions, and additive concentrates, fuel compositions and lubricant compositions contain these Mannich adducts.Type: GrantFiled: April 28, 2008Date of Patent: August 2, 2011Assignee: BASF SEInventors: Arno Lange, Hans Peter Rath, Dietmar Posselt, Irene Troetsch-Schaller, Marc Walter
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Publication number: 20110113678Abstract: The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I where R1 is a hydrocarbyl radical and R2, R3, R4 and R5 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals with one or more of the same or different phenols II where R7, R8, R9 and R10 are each independently hydrogen atoms, hydroxyl groups or hydrocarbyl radicals, and/or with one or more of the same or different tetrahydrobenzoxazines I, with the proviso that at least one of the substituents has from 13 to 3000 carbon atoms and the remaining substituents, when they are hydrocarbyl radicals, have in each case from 1 to 20 carbon atoms as stabilizers for stabilizing inanimate organic material against the action of light, oxygen and heat.Type: ApplicationFiled: January 28, 2011Publication date: May 19, 2011Applicant: BASF SEInventors: Arno Lange, Helmut Mach, Hans Peter Rath, Dietmar Posselt
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Publication number: 20100319244Abstract: Polyisobuteneamines of the general formula R1—CH2—NR2R3 in which R1 is a polyisobutyl radical which is derived from isobutene and up to 20% by weight of n-butene and has a number-average molecular weight Mn of from 600 to 770, and R2 and R3 are each independently hydrogen, a C1-C18-alkyl, C2-C18-alkenyl, C4-C18-cycloalkyl, C1-C18-alkylaryl, hydroxy-C1-C18-alkyl, poly(oxyalkyl), polyalkylenepolyamine or polyalkyleneimine radical or, together with the nitrogen atom to which they are bonded, are a heterocyclic ring are suitable as detergents in gasoline fuels, reduce valve sticking and improve the compatibility of the detergents with carrier oils and compatibility in fuel compositions which comprise a mineral fuel content and C1-C4-alkanols.Type: ApplicationFiled: January 29, 2009Publication date: December 23, 2010Applicant: BASF SEInventors: Erich K. Fehr, Dietmar Posselt, Peter Spang, Harald Schwahn, Marc Walter
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Patent number: 7850744Abstract: The present invention relates to the use of at least one heterocyclic compound of the formula (I) in which R is H or C1-C3-alkyl as a frictional wear-reducing additive in fuel compositions; to corresponding additized fuel compositions and their preparation; and to additive concentrates which comprise such compounds.Type: GrantFiled: August 4, 2005Date of Patent: December 14, 2010Assignee: BASF AktiengesellschaftInventors: Ludwig Voelkel, Arno Lange, Christian Lockemann, Dietmar Posselt
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Publication number: 20100236136Abstract: The present invention relates to the use of at least one heterocyclic compound of the formula (I) in which R is H or C1-C3-alkyl as a frictional wear-reducing additive in fuel compositions; to corresponding additized fuel compositions and their preparation; and to additive concentrates which comprise such compounds.Type: ApplicationFiled: June 3, 2010Publication date: September 23, 2010Applicant: BASF AktiengesellschaftInventors: Ludwig Völkel, Arno Lange, Christian Lockemann, Dietmar Posselt
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Publication number: 20100236140Abstract: The present invention relates to novel fuel additives obtainable by reacting carboxylic acids and alkanol amines under specific conditions. Said additives show an improved performance in fuels, like gasoline. The invention also relates to methods of preparing the same; additive packages containing said additives; and methods of improving the storage stability of additive packages comprising a detergent additive in an organic solvent.Type: ApplicationFiled: October 17, 2008Publication date: September 23, 2010Applicant: BASF SEInventors: Ludwig Voelkel, Dietmar Posselt, Alfred Karl Jung, Markus Kummeter, Gero Nordmann, Andrea Misske
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Publication number: 20100210492Abstract: A synergistic mixture comprising from 1 to 99.9% by weight of compounds having structural elements (I) in which the free valencies on the oxygen atom and on the nitrogen atom may be combined to form a five-, six- or seven-membered ring and the benzene ring may also bear substituents at one or more of the free positions, and from 0.1 to 99% by weight of sulfur-containing organic compounds with antioxidant action. This synergistic mixture is suitable as a stabilizer for stabilizing inanimate organic material, especially mineral oil products and fuels, against the action of light, oxygen and heat.Type: ApplicationFiled: July 10, 2008Publication date: August 19, 2010Applicant: BASF SEInventors: Arno Lange, Dietmar Posselt