Patents by Inventor Bettina Siggelkow

Bettina Siggelkow 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: 10889773
    Abstract: The invention relates to a polymer composition that can be obtained by means of the free radical polymerisation of A) 95-40 wt. % of alkyl (meth)acrylate containing Ai) 20-95 wt. % of at least one alkyl (meth)acrylate with 16 to 40 C-atoms in the alcohol group, and Aii) 5-80 wt. % of at least one (meth)acrylic acid ester of a C8-C22 alcohol carrying a C6-C20 alkyl group in the 2-position relative to the hydroxyl group, in the presence of B) 5-60 wt. % ethylene copolymer. The invention also relates to a method for producing same and to the use of same as a flow improver for mineral oils and mineral oil distillates.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: January 12, 2021
    Assignee: Clariant International Ltd.
    Inventors: Michael Feustel, Matthias Krull, Bettina Siggelkow, Michael Mörscher, Ingo Greger, Sebastian Haferkamp
  • Publication number: 20190002779
    Abstract: The invention relates to a polymer composition that can be obtained by means of the free radical polymerisation of A) 95-40 wt. % of alkyl (meth)acrylate containing Ai) 20-95 wt. % of at least one alkyl (meth)acrylate with 16 to 40 C-atoms in the alcohol group, and Aii) 5-80 wt. % of at least one (meth)acrylic acid ester of a C8-C22 alcohol carrying a C6-C20 alkyl group in the 2-position relative to the hydroxyl group, in the presence of B) 5-60 wt. % ethylene copolymer. The invention also relates to a method for producing same and to the use of same as a flow improver for mineral oils and mineral oil distillates.
    Type: Application
    Filed: December 1, 2016
    Publication date: January 3, 2019
    Applicant: Clariant International Ltd.
    Inventors: Michael FEUSTEL, Matthias KRULL, Bettina SIGGELKOW, Michael MÖRSCHER, Ingo GREGER, Sebastian HAFERKAMP
  • Patent number: 8979951
    Abstract: 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: Grant
    Filed: July 17, 2007
    Date of Patent: March 17, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Markus Kupetz
  • Patent number: 8968428
    Abstract: 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: Grant
    Filed: July 17, 2007
    Date of Patent: March 3, 2015
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Ulrike Neuhaus, Markus Kupetz, Andre Graf
  • Patent number: 8961622
    Abstract: The invention thus provides terpolymers of ethylene, at least one ethylenically unsaturated ester and propene, which have i) from 4.0 to 12.0 mol % of structural units derived from at least one ethylenically unsaturated ester having a C4- to C20-alkyl radical, ii) from 0.5 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, and iii) fewer than 8.0 methyl groups stemming from chain ends per 100 CH2 groups.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: February 24, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull
  • Patent number: 7815698
    Abstract: The invention provides fuel oils comprising a major proportion of a mixture of A) a middle distillate fuel oil and B) a biofuel oil, and also a minor proportion C) of an oil-soluble, crosslinked block copolymer composed of C2- to C4-alkylene oxides.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: October 19, 2010
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Bettina Siggelkow, Werner Reimann, Dirk Leinweber, Ulrike Neuhaus, Renate Braun
  • Patent number: 7815697
    Abstract: The invention provides a fuel oil composition comprising a fuel oil of mineral origin and a fuel oil of vegetable and/or animal origin and as a cold additive, the constituents, at least one copolymer composed of ethylene and 8-21 mol % of at least one acrylic and vinyl ester having a C1-C18 alkyl radical and at least one comb polymer containing structural units composed of at least one olefin as monomer 1 which bears at least one C8-C18 alkyl radical on the olefinic double bond, and 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 moiety.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: October 19, 2010
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Matthias Krull, Bettina Siggelkow, Martina Hess
  • Patent number: 7563291
    Abstract: The present invention relates to the preparation of ?-(dimethylisopropenylbenzylurethane) polyalkylene glycols with ?-alkoxy or ?-dihydroxy groups and to the use thereof as hydrolysis-stable macromonomers for the dispersion and crosslinking of polymers in which, A is C2-C4-alkylene, m is an integer from 5 to 900, and R is C1-C20-alkyl, C6-C18-aryl or a radical according to formula 2a, 2b, 2c, 3a, 3b or 3c which is bonded to the terminal oxygen atom of the alkoxy group (A-O) in formula 1 via the valence denoted by *, and in which A is not exclusively C3- or C4-alkylene.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: July 21, 2009
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Bettina Siggelkow, Dirk Leinweber, Werner Reimann, Ulrike Neuhaus, Renate Braun
  • Patent number: 7500996
    Abstract: The present invention provides an additive comprising A) a copolymer of ethylene and 8-21 mol % of at least one acrylic or vinyl ester having a C1-C18-alkyl radical and B) a comb polymer containing structural units of 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 moiety, wherein the sum Q Q = ? i ? w 1 ? i · n 1 ? i + ? j ? w 2 ? j · n 2 ? j of the molar averages of the carbon chain length distributions in the alkyl radicals of monomer 1 on the one hand and the alkyl radicals of the amide and/or imide groups of monomer 2 on the other hand is from 23 to 27, where w1 is the molar proportion of the individual chain lengths in the alkyl radicals of monomer 1, w2 is the molar proportion of the individual chain lengths in the alkyl radicals of the am
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: March 10, 2009
    Assignee: Clariant International Ltd.
    Inventors: Matthias Krull, Bettina Siggelkow, Martina Hess
  • Publication number: 20080178522
    Abstract: 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 individ
    Type: Application
    Filed: October 30, 2007
    Publication date: July 31, 2008
    Inventors: Bettina Siggelkow, Werner Reimann, Ulrike Neuhaus, Markus Kupetz
  • Publication number: 20080016754
    Abstract: 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: Application
    Filed: July 17, 2007
    Publication date: January 24, 2008
    Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Ulrike Neuhaus, Markus Kupetz, Andre Graf
  • Publication number: 20080016753
    Abstract: 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: Application
    Filed: July 17, 2007
    Publication date: January 24, 2008
    Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Markus Kupetz
  • Publication number: 20080016755
    Abstract: The invention thus provides terpolymers of ethylene, at least one ethylenically unsaturated ester and propene, which have i) from 4.0 to 12.0 mol % of structural units derived from at least one ethylenically unsaturated ester having a C4- to C20-alkyl radical, ii) from 0.5 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, and iii) fewer than 8.0 methyl groups stemming from chain ends per 100 CH2 groups.
    Type: Application
    Filed: July 17, 2007
    Publication date: January 24, 2008
    Inventors: Bettina Siggelkow, Werner Reimann, Matthias Krull
  • Publication number: 20070266621
    Abstract: 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 indiv
    Type: Application
    Filed: May 16, 2007
    Publication date: November 22, 2007
    Inventors: Bettina Siggelkow, Waltraud Nagel, Markus Kupetz
  • Publication number: 20070266620
    Abstract: 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 are
    Type: Application
    Filed: May 16, 2007
    Publication date: November 22, 2007
    Inventors: Bettina Siggelkow, Ulrike Neuhaus, Markus Kupetz, Waltraud Nagel
  • Publication number: 20070270318
    Abstract: 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 radica
    Type: Application
    Filed: May 16, 2007
    Publication date: November 22, 2007
    Inventors: Bettina Siggelkow, Waltraud Nagel, Markus Kupetz
  • Publication number: 20070161755
    Abstract: The invention provides graft copolymers obtainable by grafting an ester (a) of a C8- to C22-alcohol and acrylic acid onto a copolymer (b) containing, in addition to ethylene, from 3.5 to 21 mol % of vinyl acetate and from 0.5 to 16 mol % of at least one vinyl ester of the formula 1 CH2?CH—OCOR1??(1) where R1 is C2- to C30-alkyl, with the proviso that the copolymer b) contains less than 0.5 mol % of alkenes having 3 to 30 carbon atoms.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 12, 2007
    Inventors: Bettina Siggelkow, Waltraud Nagel, Ulrike Neuhaus
  • Publication number: 20070157509
    Abstract: The invention provides graft copolymers obtainable by grafting an ester (a) of a C8- to C22-alcohol and acrylic acid onto a copolymer (b) containing, in addition to ethylene, from 0.5 to 16 mol % of at least one vinyl ester of the formula 1 CH2?CH—OCOR1??(1) where R1 is a branched C5- to C15-alkyl radical, with the proviso that the copolymer b) contains less than 3.5 mol % of vinyl acetate.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 12, 2007
    Inventors: Bettina Siggelkow, Waltraud Nagel, Ulrike Neuhaus
  • Publication number: 20060242892
    Abstract: The invention provides an additive for fuel oils, comprising at least one copolymer of ethylene and an unsaturated ester, at least one oil-soluble polar nitrogen compound which is a reaction product of amines of the formula NR6R7R8 in which R6, R7 and R8 may be the same or different, and at least one of these groups is C8-C36-alkyl, C6-C36-cycloalkyl, C8-C36-alkenyl, especially C12-C24-alkyl, C12-C24-alkenyl or cyclohexyl, and the remaining groups are hydrogen, C1-C36-alkyl, C2-C36-alkenyl, cyclohexyl or a group of the formulae -(A-O)x-E or —(CH2)n—NYZ in which A is an ethyl or propyl group, x is from 1 to 50, E=H, C1-C30-alkyl, C5-C12-cycloalkyl or C6-C30-aryl, and n=2, 3 or 4, and Y and Z are each independently H, C1-C30-alkyl or -(A-O)x with compounds which contain at least one acyl group, and at least one aromatic compound of the formula 1, in which R is H or C1- to C4-alkyl.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 2, 2006
    Inventors: Bettina Siggelkow, Ulrike Neuhaus
  • Publication number: 20060137242
    Abstract: The invention provides graft copolymers obtainable by grafting an ester (a) of a C8- to C22-alcohol and acrylic acid to a copolymer (b) which contains from 3.5 to 21 mol % of vinyl acetate in addition to ethylene, and for their use as cold additives in fuel oils.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 29, 2006
    Inventors: Bettina Siggelkow, Waltraud Nagel, Ulrike Neuhaus