Patents by Inventor Markus Kupetz
Markus Kupetz 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: 8979951Abstract: The invention provides terpolymers of ethylene, at least one ethylenically unsaturated ester and propene, which a) contain from 12.0 to 16.0 mol % of structural units derived from at least one ethylenically unsaturated ester, b) contain from 1.0 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, and c) have fewer than 6.5 methyl groups stemming from chain ends per 100 CH2 groups. and also their use as cold additives for middle distillates.Type: GrantFiled: July 17, 2007Date of Patent: March 17, 2015Assignee: Clariant Finance (BVI) LimitedInventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Markus Kupetz
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Patent number: 8968428Abstract: The invention provides additive mixtures comprising A) at least one terpolymer of ethylene, propene and at least one ethylenically unsaturated ester, which i) contains from 6.0 to 12.0 mol % of structural units derived from at least one ethylenically unsaturated ester having a C1- to C3-alkyl radical, ii) contains from 0.5 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, iii) has fewer than 8.0 methyl groups stemming from chain ends per 100 CH2 groups, and B) from 0.5 to 20 parts by weight, based on A), of at least one further component which is effective as a cold additive for mineral oils and is selected from B1) copolymers of ethylene and ethylenically unsaturated compounds whose content of ethylenically unsaturated compounds is at least 2 mol % higher than the content of ethylenically unsaturated esters in the terpolymer defined under A), B2) comb polymers, and B3) mixtures of B1) and B2), and also their use as a cold additive for middle distillates.Type: GrantFiled: July 17, 2007Date of Patent: March 3, 2015Assignee: Clariant Produkte (Deutschland) GmbHInventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Ulrike Neuhaus, Markus Kupetz, Andre Graf
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Patent number: 7713316Abstract: The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters, said copolymer containing a) bivalent structural units derived from ethylene of the formula 1 —CH2—CH2—??(1) b) from 5 to 12 mol % of bivalent structural units of the formula 2 where R1 is saturated, branched C5-C18-alkyl, and c) from 4 to 13 mol % of bivalent structural units of the formula 3 and the sum of the molar proportions of structural units of the formulae 2 and 3 being between 12 and 16 mol %, to the corresponding polymers, and also to their use for improving the cold flow behavior of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight.Type: GrantFiled: December 12, 2003Date of Patent: May 11, 2010Assignee: Clariant Produkte (Deutschland) GmbHInventors: Matthias Krull, Markus Kupetz, Raimund Wildfang
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Patent number: 7431745Abstract: The present invention relates to an additive for improving the lubrication capacity of fuel oils with a maximum sulfur content of 0.035 wt. %. The additive contains at least one ester of a bivalent or polyvalent alcohol and a mixture of unsaturated and optionally saturated fatty acids, whose carbon chain lengths are between 8 and 30 carbon atoms, the aforementioned esters having an OH value of less than 200 mg KOH/g ester and an iodine value greater than 100 g l/100 g ester. The invention also relates to fuel oils with a maximum sulfur content of 0.035 wt. %, which contain the inventive additives. The novel additives exhibit less tendency to emulsify than the additives of the prior art.Type: GrantFiled: July 9, 2002Date of Patent: October 7, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Matthias Krull, Markus Kupetz
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Publication number: 20080178522Abstract: The invention provides a fuel oil composition comprising a fuel oil of animal or vegetable origin, in which a total of more than 6% by weight of palmitic acid methyl ester and stearic acid methyl ester are present, and, as an additive, A) at least one copolymer which contains 10-20 mol % of structural units of at least one vinyl ester and 80-90 mol % of structural units of ethylene, and B) at least one comb polymer containing structural units formed from B1) at least one olefin as monomer 1, which bears at least one C8-C18-alkyl radical on the olefinic double bond, and B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2, which bears at least one C8-C16-alkyl radical bonded via an amide and/or imide group, in which the parameter Q Q = ? i ? ? w 1 ? i · n 1 ? i + ? j ? ? w 2 ? j · n 2 ? j in which w1 is the molar proportion of the individual chain lengths n1 in the alkyl radicals of monomer 1, w2 is the molar proportion of the individType: ApplicationFiled: October 30, 2007Publication date: July 31, 2008Inventors: Bettina Siggelkow, Werner Reimann, Ulrike Neuhaus, Markus Kupetz
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Publication number: 20080016754Abstract: The invention provides additive mixtures comprising A) at least one terpolymer of ethylene, propene and at least one ethylenically unsaturated ester, which i) contains from 6.0 to 12.0 mol % of structural units derived from at least one ethylenically unsaturated ester having a C1- to C3-alkyl radical, ii) contains from 0.5 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, iii) has fewer than 8.0 methyl groups stemming from chain ends per 100 CH2 groups, and B) from 0.5 to 20 parts by weight, based on A), of at least one further component which is effective as a cold additive for mineral oils and is selected from B1) copolymers of ethylene and ethylenically unsaturated compounds whose content of ethylenically unsaturated compounds is at least 2 mol % higher than the content of ethylenically unsaturated esters in the terpolymer defined under A), B2) comb polymers, and B3) mixtures of B1) and B2), and also their use as a cold additive for middle distillates.Type: ApplicationFiled: July 17, 2007Publication date: January 24, 2008Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Ulrike Neuhaus, Markus Kupetz, Andre Graf
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Publication number: 20080016753Abstract: The invention provides terpolymers of ethylene, at least one ethylenically unsaturated ester and propene, which a) contain from 12.0 to 16.0 mol % of structural units derived from at least one ethylenically unsaturated ester, b) contain from 1.0 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, and c) have fewer than 6.5 methyl groups stemming from chain ends per 100 CH2 groups. and also their use as cold additives for middle distillates.Type: ApplicationFiled: July 17, 2007Publication date: January 24, 2008Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Markus Kupetz
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Publication number: 20070270319Abstract: The present invention relates to a fuel oil additive comprising A) a copolymer of ethylene and from 13 to 17 mol % of at least one acrylic ester or vinyl ester having a C1-C18-alkyl radical and a melt viscosity V140 of not more than 80 mPas, and B) a comb polymer comprising structural units formed from B1) at least one olefin as monomer 1, which bears at least one C8-C18-alkyl radical on the olefinic double bond, and B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2, which bears at least one C8-C16-alkyl radical bonded via an ester group, in which the parameter Q Q = ? i ? w 1 ? i · n 1 ? i + ? j ? w 2 ? j · n 2 ? j in which w1 is the molar proportion of the individual chain lengths n1 in the alkyl radicals of monomer 1, w2 is the molar proportion of the individual chain lengths n2 in the alkyl radicals of the ester groups of monomer 2, n1 are the individual chain lengths in the alkyl radicals of monomer 1, n2 are the individual chain lenType: ApplicationFiled: May 16, 2007Publication date: November 22, 2007Inventors: Bettina Seggelkow, Ulrike Neuhaus, Markus Kupetz
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Publication number: 20070270318Abstract: The present invention relates to a fuel oil additive comprising A) a copolymer of ethylene and from 18 to 35 mol % of at least one acrylic ester or vinyl ester having a C1-C18-alkyl radical and a degree of branching of less than 5 CH3/100 CH2 groups, and B) a comb polymer comprising structural units formed from B1) at least one olefin as monomer 1, which bears at least one C8-C18-alkyl radical on the olefinic double bond, and B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2, which bears at least one C8-C16-alkyl radical bonded via an amide and/or imide group, in which the parameter Q Q = ? i ? ? w 1 ? i · n 1 ? i + ? j ? ? w 2 ? j · n 2 ? j in which w1 is the molar proportion of the individual chain lengths n, in the alkyl radicals of monomer 1, w2 is the molar proportion of the individual chain lengths n2 in the alkyl radicals of the amide and/or imide groups of monomer 2, n1 are the individual chain lengths in the alkyl radicaType: ApplicationFiled: May 16, 2007Publication date: November 22, 2007Inventors: Bettina Siggelkow, Waltraud Nagel, Markus Kupetz
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Publication number: 20070266620Abstract: The present invention relates to a fuel oil additive comprising A) a copolymer of ethylene and from 13 to 17 mol % of at least one acrylic ester or vinyl ester having a C1-C18-alkyl radical and a melt viscosity V140 of not more than 80 mPas, and B) a comb polymer comprising structural units formed from B1) at least one olefin as monomer 1, which bears at least one C8-C18-alkyl radical on the olefinic double bond, and B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2, which bears at least one C8-C16-alkyl radical bonded via an amide and/or imide group, in which the parameter Q Q = ? i ? w 1 ? ? i · n 1 ? i + ? j ? w 2 ? j · n 2 ? j in which w1 is the molar proportion of the individual chain lengths n1 in the alkyl radicals of monomer 1, w2 is the molar proportion of the individual chain lengths n2 in the alkyl radicals of the amide and/or imide groups of monomer 2, n1 are the individual chain lengths in the alkyl radicals of monomer 1, n2 areType: ApplicationFiled: May 16, 2007Publication date: November 22, 2007Inventors: Bettina Siggelkow, Ulrike Neuhaus, Markus Kupetz, Waltraud Nagel
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Publication number: 20070266621Abstract: The present invention relates to a fuel oil additive comprising A) a copolymer of ethylene and from 18 to 35 mol % of at least one acrylic ester or vinyl ester having a C1-C18-alkyl radical and a degree of branching of less than 5 CH3/100 CH2 groups, and B) a comb polymer comprising structural units formed from B1) at least one olefin as monomer 1, which bears at least one C8-C18-alkyl radical on the olefinic double bond, and B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2, which bears at least one C8-C16-alkyl radical bonded via an ester group, in which the parameter Q Q = ? i ? ? w 1 ? i · n 1 ? i + ? j ? ? w 2 ? j · n 2 ? j in which w1 is the molar proportion of the individual chain lengths n1 in the alkyl radicals of monomer 1, w2 is the molar proportion of the individual chain lengths n2 in the alkyl radicals of the ester groups of monomer 2, n1 are the individual chain lengths in the alkyl radicals of monomer 1, n2 are the indivType: ApplicationFiled: May 16, 2007Publication date: November 22, 2007Inventors: Bettina Siggelkow, Waltraud Nagel, Markus Kupetz
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Publication number: 20060254128Abstract: The invention relates to an additive for improving the lubrication capacity of fuel oils with a maximum sulphur content of 0.035 wt. %. Said additive contains at least one ester of a bivalent or polyvalent alcohol and a mixture of unsaturated and optionally saturated fatty acids, whose carbon chain lengths are between 8 and 30 carbon atoms, the aforementioned esters having an OH value less than 200 mg KOH/g ester and an iodine value greater than 100 g I/100 g ester. The invention also relates to fuel oils with a maximum sulphur content of 0.035 wt. %, which contain the inventive additives. The novel additives exhibit less tendency to emulsify than the additives in prior art.Type: ApplicationFiled: July 9, 2002Publication date: November 16, 2006Inventors: Matthias Krull, Markus Kupetz
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Patent number: 6846338Abstract: A fuel oil comprising: A) a mineral oil having a cloud point of less than ?8° C., a boiling range (90-20%) of less than 120° C. and a difference between CFPP and PP of less than 10° C., and B) one or more copolymers, wherein the copolymers comprise: a) bivalent structural unit (B1), wherein (B1) is a bivalent structural unit of formula (1) —CH2—CH2—??(1) and b) one or more bivalent structural units (B2), wherein (B2) is either a bivalent structural unit of formula (2) —CH2—CR1R2—??(2) ?in which R1 is hydrogen or methyl, R2 is COOR3, OR3 or OCOR3, and R3 is an alkyl radical having at least 4 and at most 30 carbon atoms, or (B2) is a bivalent structural unit of formula (2a) ?in which R3 is an alkyl radical having at least 4 and at most 30 carbon atoms.Type: GrantFiled: February 19, 2001Date of Patent: January 25, 2005Assignee: Clariant GmbHInventors: Matthias Krull, Werner Reimann, Markus Kupetz, Waltraud Nagel, Raimund Wildfang
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Publication number: 20040226216Abstract: The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters, said copolymer containingType: ApplicationFiled: December 12, 2003Publication date: November 18, 2004Applicant: Clariant GmbHInventors: Matthias Krull, Markus Kupetz, Raimund Wildfang
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Patent number: 6793696Abstract: Disclosed is a fuel oil composition comprising a middle distillate having a sulfur content of up to 0.05% by weight and reaction products of A) mono- or dicarboxylic acids of 6 to 50 carbon atoms and B) primary, secondary or tertiary amines of the formula NR1R2R3 where R1 is branched alkyl of 3 to 18 carbon atoms and R2 and R3 are independently hydrogen, R1 or alkyl of 1-12 carbon atoms.Type: GrantFiled: November 9, 2001Date of Patent: September 21, 2004Assignee: Clariant GmbHInventors: Matthias Krull, Markus Kupetz
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Patent number: 6599335Abstract: Copolymers based on ethylene and unsaturated carboxylic esters and their use as mineral oil additives. The invention relates to copolymers of low olefins and vinyl esters, containing a) from 85 to 97 mol % of bivalent structural units of the formula 1 —CH2—CR1R2— 1 in which R1 and R2, independently of one another, are hydrogen or methyl, and b) at least 3 mol % of bivalent structural units of the formula 2 in which R3 is saturated, branched C6-C16-alkyl which has a tertiary carbon atom, wherein R3 is bonded by its tertiary carbon atom to the carboxyl function. The copolymers according to the invention are used as flow improvers for mineral oil distillates.Type: GrantFiled: November 6, 2000Date of Patent: July 29, 2003Assignee: Clariant GmbHInventors: Matthias Krull, Markus Kupetz, Raimund Wildfang
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Publication number: 20020095858Abstract: Disclosed is a fuel oil composition comprising a middle distillate having a sulfur content of up to 0.Type: ApplicationFiled: November 9, 2001Publication date: July 25, 2002Inventors: Matthias Krull, Markus Kupetz
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Patent number: 6391071Abstract: The present invention relates to the use of oil-soluble copolymers which comprise A) from 5 to 80 mol-% of structural units derived from olefinically unsaturated compounds containing at least one free hydroxyl group, B) from 5 to 95 mol-% of structural units derived from olefinically unsaturated compounds carrying a hydrocarbon radical having at least 6 carbon atoms, and, if desired, C) from 0 to 40 mol-% of further structural units selected from the group consisting of acrylic acid, acrylates, vinyl esters, vinylethane and alkenes, with the proviso that the structural units mentioned under C) are different from the structural units mentioned under A) and B), and have a mean molecular weight Mw of from 500 to 100,000 g/mol and an OH number of from 10 to 300 mg of KOH/g, for improving the lubricity and cold flow properties of middle distillates having a sulfur content of less than 0.5% by weight.Type: GrantFiled: June 9, 2000Date of Patent: May 21, 2002Assignee: Clariant GmbHInventors: Matthias Krull, Markus Kupetz
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Patent number: 6384170Abstract: The invention relates to copolymers of ethylene and at least one further olefinically unsaturated comonomer containing one or more hydroxyl groups. The invention furthermore relates to fuel oils comprising middle distillates containing a maximum of 0.5% by weight of sulfur and at least one copolymer of ethylene and at least one further olefinically unsaturated comonomer containing one or more hydroxyl groups.Type: GrantFiled: December 16, 1998Date of Patent: May 7, 2002Assignee: Clariant GmbHInventors: Matthias Krull, Markus Kupetz, Raimund Wildfang
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Publication number: 20010034968Abstract: A fuel oil comprising:Type: ApplicationFiled: February 19, 2001Publication date: November 1, 2001Inventors: Matthias Krull, Werner Reimann, Markus Kupetz, Waltraud Nagel, Raimund Wildfang