Patents by Inventor Michael Feustel

Michael Feustel 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: 9452981
    Abstract: A pyroglutamic acid ester of formula (1) in which A represents a C2 to C4 alkylene group; x represents a number from 1 to 100; R? represents an aliphatic, cycloaliphatic or aromatic radical that contains at least one structural unit of formula 2, and; y represents a number from 1 to 100. The use of these pyroglutamic acid esters in quantities of 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases that are connected to a gaseous, liquid or solid organic phase.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: September 27, 2016
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Michael Feustel, Dirk Leinweber
  • Patent number: 9029160
    Abstract: The subject of the invention is a method for determining the H2S content arising during the warm storage of sulfur-containing crude and residual oils and mineral distillates containing sulfur-containing crude and/or residual oils, in which a sample of the sulfur-containing mineral oil is dissolved in a solvent or solvent mixture that boils at more than 200° C. and a carrier gas is caused to flow through the solution of the sulfur-containing mineral oil at temperatures above 80° C., and the quantity of hydrogen sulfide carried out with the carrier gas is analyzed quantitatively.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: May 12, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Michael Feustel, Michael Brauchle, Dominko Andrin, Matthias Krull
  • Publication number: 20140338254
    Abstract: The present invention relates to the use of a polyester which bears hydroxyl groups and is preparable by polycondensation of a polyol containing two primary OH groups and at least one secondary OH group with a dicarboxylic acid or anhydride thereof or ester thereof bearing a C16- to C400-alkyl radical or a C16- to C400-alkenyl radical as an antifoulant in the thermal treatment of liquid hydrocarbon media in the temperature range from 100 to 550 DEG C.
    Type: Application
    Filed: January 29, 2013
    Publication date: November 20, 2014
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Feustel, Dominko Andrin, Matthias Krull
  • Patent number: 8735332
    Abstract: A method for preventing the formation of gas hydrates in an aqueous phase by adding esters of pyroglutamic acid in the quantities of from 0.01 to 2% by weight. The esters of pyroglutamic acid produced by esterifying at least one alcohols, comprising from 1 to 100 hydroxyl groups with pyroglutamic acid and/or glutamic acid, wherein the alcohol has no more than one ester group or no more than one carboxylic acid group.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: May 27, 2014
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Dirk Leinweber, Michael Feustel
  • Patent number: 8722589
    Abstract: The invention provides for the use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters, preparable by esterifying alcohols having from 1 to 100 hydroxyl groups with 1-alkyl-5-oxopyrrolidine-3-carboxylic acid, in amounts of from 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases which are in contact with a gaseous, liquid or solid organic phase.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: May 13, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dirk Leinweber, Alexander Roesch, Michael Feustel
  • Publication number: 20140004611
    Abstract: The subject of the invention is a method for determining the H2S content arising during the warm storage of sulfur-containing crude and residual oils and mineral distillates containing sulfur-containing crude and/or residual oils, in which a sample of the sulfur-containing mineral oil is dissolved in a solvent or solvent mixture that boils at more than 200° C. and a carrier gas is caused to flow through the solution of the sulfur-containing mineral oil at temperatures above 80° C., and the quantity of hydrogen sulfide carried out with the carrier gas is analyzed quantitatively.
    Type: Application
    Filed: February 14, 2012
    Publication date: January 2, 2014
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Feustel, Michael Brauchle, Dominko Andrin, Matthias Krull
  • Patent number: 8598101
    Abstract: The invention relates to dispersions comprising I) at least one polymer that is effective for mineral oils as a cold extrusion improver and is soluble in oil, II) at least one organic solvent that cannot be mixed with water, III) water, IV) at least one alkanolamine salt of a polycyclic carboxylic acid as a dispersing agent, and V) possibly at least one organic solvent that can be mixed with water.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: December 3, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Michael Feustel, Matthias Krull, Christoph Kayser, Mario Loew
  • Patent number: 8349215
    Abstract: The invention relates to the use of salts of compound of the formula (1) and amines of the formula (2), where R1 means C8- to C30-Alkyl or C8- to C30-Alkenyl, R2 means hydrogen or a group of the formula -(A-O)x—H, R3, R4 mean hydrogen, C1- to C4-Alkyl or a group of the formula -(A-O)x—H, A means C2- to C4-Alkylene, and x means a number from 1 to 10, as water-soluble or water-dispersible corrosion inhibitors.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: January 8, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dirk Leinweber, Alexander Roesch, Michael Feustel
  • Patent number: 8293690
    Abstract: The invention relates to dispersions comprising I) at least one polymer that is effective for mineral oils as a cold extrusion improver and is soluble in oil, II) at least one organic solvent that cannot be mixed with water, III) water, IV) at least one alkanolamine salt of a polycyclic carboxylic acid as a dispersing agent, and V) possibly at least one organic solvent that can be mixed with water.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: October 23, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Michael Feustel, Matthias Krull, Christoph Kayser, Mario Loew
  • Publication number: 20120232171
    Abstract: The invention relates to the use of alkoxylated cyclic diamines, the reactive groups of which are alkoxylated by means of at least one C2 to C4 alkylene oxide, and the average degree of alkoxylation of which is between 1 and 200 alkylene oxide units per reactive group, in amounts of 0.0001 to 5 wt % relative to the oil content of the emulsion to be broken, to break water-in-oil emulsions.
    Type: Application
    Filed: September 3, 2010
    Publication date: September 13, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Carsten Cohrs, Stefan Dilsky, Dirk Leinweber, Michael Feustel
  • Publication number: 20120088942
    Abstract: The invention relates to compounds of formula (1) in which A represents a C2 to C4 alkylene group; x represents a number from 1 to 100; R? represents an aliphatic, cycloaliphatic or aromatic radical that contains at least one structural unit of formula 2, and; y represents a number from 1 to 100. The invention also relates to the use of these compounds in quantities of 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases that are connected to a gaseous, liquid or solid organic phase.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 12, 2012
    Applicant: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
    Inventors: Michael FEUSTEL, Dirk LEINWEBER
  • Publication number: 20120065394
    Abstract: The invention relates to the use of salts of compounds of the formula (1) and amines of the formula (2) where R1 is C1- to C30-alkyl, C2- to C30-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, R2 is C1- to C30-alkyl, C2- to C30-alkenyl, C6- to C30-aryl or C7- to C30alkylaryl, or an optionally heteroatom containing organic radical having from 1 to 30 carbon atoms, and R3 and R4 are each independently hydrogen, C1- to C30-alkyl, C2- to C30-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, or an optionally heteroatom containing organic radical having from 1 to 30 carbon atoms, where R3 and R4 can also form, with the inclusion of the nitrogen atom, a ring having from 5 to 7 ring atoms.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Dirk LEINWEBER, Michael FEUSTEL
  • Patent number: 8123930
    Abstract: The invention thus provides crude oils and products which have been produced therefrom and comprise distillation residues, comprising at least one alkylphenol-aldehyde resin having a repeat structural unit of the formula where R1 is a branched alkyl or alkenyl radical which has from 10 to 40 carbon atoms and bears at least one carboxyl, carboxylate and/or ester group, R2 is hydrogen or R1 R3 is hydrogen or an alkoxy group of the formula -(A-O)m—H, A is a C2- to C4-alkylene group, m is from 1 to 100, R4 is hydrogen, a C1- to C11-alkyl radical or a carboxyl group, R5 is C1-C200-alkyl or -alkenyl, O—R6 or O—C(O)—R6, R6 is C1-C200-alkyl or -alkenyl, n is from 1 to 100 and k is 1 or 2, the use of the alkylphenol-aldehyde resin for splitting emulsions of water and crude oils or products derived therefrom, the use of the alkylphenol-aldehyde resin for improving the cold flowability of crude oils and products derived therefrom, and the use of the alkylphenol-aldehyde resin as an asphaltene dispersant in crude
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: February 28, 2012
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Carsten Cohrs, Matthias Krull, Michael Feustel, Heidi Rausch
  • Patent number: 8067651
    Abstract: The invention provides compounds of the formula 1 in which A is a C2- to C4-alkylene group x is from 1 to 100 R1 is C1-C30-alkyl, C2-C30-alkenyl, C7-C30-alkylaryl R2 is an aliphatic, cycloaliphatic or aromatic radical which contains at least one structural unit of the formula 2 ?and y is from 0 to 100, with the proviso that y is from 1 to 100 when R2 is of the formula 2, and their use in amounts of from 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases which are in contact with a gaseous, liquid or solid organic phase.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: November 29, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dirk Leinweber, Alexander Roesch, Michael Feustel
  • Patent number: 8034748
    Abstract: The present invention relates to an additive, and its use for inhibiting nucleation, growth and agglomeration of gas hydrates by adding an effective amount of an inhibitor to a multiphasic mixture which tends to hydrate formation and consists of water, gas and optionally condensate, or to a drilling fluid which tends to form gas hydrates. Said inhibitor comprising dialkoxylated quaternary ammonium compounds of the formula 1 where R1, R2 are each independently radicals of the formulae -(A-O)n—(C)—CO—O—R5, R3 is C1- to C30-alkyl or C2- to C30-alkenyl, R4 is an organic radical which optionally contains heteroatoms and has from 1 to 100 carbon atoms, R5 is an alkyl or an alkenyl, n is a number from 1 to 20, A is an alkylene group, B is an alkylene group, C is a C1- to C6-alkylene group and X is an anion, are used as gas hydrate inhibitors.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: October 11, 2011
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Uwe Dahlmann, Michael Feustel
  • Publication number: 20110098507
    Abstract: The object of the invention is the use of phosphonic acids of the formula (4), where R2 is H or C1-C500-alkyl, and R3 and R4 independently from each other are H or C1-C500-alkyl, with the proviso that not all groups R2, R3, R4 are hydrogen, and having a molecular weight from 250 to 10,000 units, in quantities from 0.5 to 10,000 ppm with respect to the oil, for the dispersion of asphaltenes in asphalt-containing crude oils or residual oils.
    Type: Application
    Filed: December 3, 2008
    Publication date: April 28, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Carsten Cohrs, Stefan Dilsky, Dirk Leinweber, Michael Feustel
  • Patent number: 7893009
    Abstract: The invention relates to polymers with a mean molecular weight of between 500 and 500,000 g/mol that can be produced as follows: A) reaction of a compound of formula 1, in which n stands for 0, 1 or 2 and A for an arbitrarily substituted C1-C40 group with a compound of the formula 2 B(OH)m in which m is from 2 to 10 and B is a represents an arbitrarily substituted C2-C40 group, B) subsequently reaction of the product thus obtained with a nitrogen-containing carboxylic acid which comprises from 1 to 20 carbon atoms, where the molar ratio between the number of free OH groups of the polyester obtained in step A and the nitrogen-containing carboxylic acid is between 1:0.1 and 1:1. The polymers are used to inhibit gas hydrate formation.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: February 22, 2011
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Dirk Leinweber, Michael Feustel
  • Publication number: 20100283010
    Abstract: The invention relates to the use of salts of compound of the formula (1) and amines of the formula (2), where R1 means C8- to C30-Alkyl or C8- to C30-Alkenyl, R2 means hydrogen or a group of the formula —(A—O)x—H, R3, R4 mean hydrogen, C1- to C4-Alkyl or a group of the formula —(A—O)x—H, A means C2- to C4-Alkylene, and x means a number from 1 to 10, as water-soluble or water-dispersible corrosion inhibitors.
    Type: Application
    Filed: December 10, 2008
    Publication date: November 11, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Dirk Leinweber, Alexander Roesch, Michael Feustel
  • Publication number: 20100283011
    Abstract: The invention relates to the use of salts of compounds of the formula (1) having amines of the formula (2), wherein R1 represents C8- to C30-Alkyl or C8- to C30-Alkenyl, R2 represents hydrogen, C1- to C6-Alkyl or an organic radical having 1 to 8 carbon atoms and comprising hetero atoms, and R3, R4 forming a cycle having 5 to 7 ring atoms, wherein said cycle can optionally comprise, in addition to carbon atoms, an oxygen atom or a nitrogen atom or both, as water-soluble or water-dispersible corrosion inhibitors.
    Type: Application
    Filed: December 10, 2008
    Publication date: November 11, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Dirk Leinweber, Alexander Roesch, Michael Feustel
  • Publication number: 20100234592
    Abstract: The invention relates to the use of salts of compounds of the formula (1) and amines of the formula (2) where R1 is C1- to C30-alkyl, C2- to C30-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, R2 is C1- to C30-alkyl, C2- to C30-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, or an optionally heteroatom containing organic radical having from 1 to 30 carbon atoms, and R3 and R4 are each independently hydrogen, C1- to C30-alkyl, C2- to C30-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, or an optionally heteroatom containing organic radical having from 1 to 30 carbon atoms, where R3 and R4 can also form, with the inclusion of the nitrogen atom, a ring having from 5 to 7 ring atoms.
    Type: Application
    Filed: January 10, 2007
    Publication date: September 16, 2010
    Inventors: Dirk Leinweber, Michael Feustel