Patents by Inventor Carsten Schaefer

Carsten Schaefer 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).

  • Publication number: 20240218287
    Abstract: Specific mixtures of methyl ester ethoxylates are described. The mixtures may be advantageously used as surfactants in laundry detergent compositions and preferably in liquid laundry detergent compositions.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 4, 2024
    Applicant: Clariant International Ltd
    Inventors: Jan DIEDERICHS, Xiaoqiang GUO, Peter Josef HALLIER, Felix HÖVELMANN, Kevin James MUTCH, Carsten SCHAEFER, Stephen Norman BATCHELOR, Julie BENNETT
  • Publication number: 20240218286
    Abstract: A laundry detergent composition comprising methyl ester ethoxylate surfactant wherein the methyl ester ethoxylate comprises monounsaturated C18 and wherein the weight proportion of monounsaturated C18 to other C18 components is from 2.9 to 7.0, and wherein the MEE comprises at least 5% of the MEE, C16 MEE, and a domestic method of treating a textile, the method comprising the step of treating a textile with an aqueous solution of 0.5 to 20 g/L of the detergent composition, and optionally drying the textile.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 4, 2024
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Julie BENNETT, Jan DIEDERICHS, Xiaoqiang GUO, Peter Josef HALLIER, Felix Florian HÖVELMANN, Kevin James MUTCH, Carsten SCHAEFER
  • Publication number: 20240209286
    Abstract: A laundry detergent composition comprising at least 4% wt. methyl ester ethoxylate surfactant wherein the methyl ester ethoxylate comprises at least 20% by wt. total MEE, C16 MEE, at least 35% wt. MEE, C18:1 MEE and less than 10% wt. total MEE, C18:0 MEE, and domestic method of treating a textile, the method comprising the step of treating a textile with an aqueous solution of 0.5 to 20 g/L of the detergent composition, and optionally drying the textile.
    Type: Application
    Filed: April 20, 2022
    Publication date: June 27, 2024
    Applicant: Conopco , Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Julie BENNETT, Jan DIEDERICHS, Xiaoqiang GUO, Peter Josef HALLIER, Felix Florian HÖVELMANN, Kevin James MUTCH, Carsten SCHAEFER
  • Publication number: 20240209287
    Abstract: A laundry detergent composition comprising methyl ester ethoxy late surfactant (MEE) and an alkyl ether sulphate (AES), a proportion of which comprises C18 and a domestic method of treating a textile, the method comprising the step of treating a textile with an aqueous solution of 0.5 to 20 g/L of the detergent composition, and optionally drying the textile.
    Type: Application
    Filed: April 20, 2022
    Publication date: June 27, 2024
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Jan DIEDERICHS, Xiaoqiang GUO, Peter Josef HALLIER, Felix Florian HÖVELMANN, Kevin James MUTCH, Matthew Lloyd PARRY, Carsten SCHAEFER
  • Publication number: 20210371588
    Abstract: Alkoxylated polycarboxylic acid amides are provided obtainable by first reacting an aromatic polycarboxylic acid containing at least three carboxylic acid units or anhydrides derived therefrom, preferably an aromatic polycarboxylic acid containing three or four carboxylic acid units or anhydrides derived therefrom, more preferably an aromatic polycarboxylic acid containing three carboxylic acid units or anhydrides derived therefrom, even more preferably trimellitic acid or trimellitic acid anhydride, most preferably trimellitic acid anhydride, with an amine alkoxylate and in a second step reacting the resulting product with an alcohol or amine or a mixture of alcohols and/or amines, preferably with an alcohol.
    Type: Application
    Filed: June 11, 2018
    Publication date: December 2, 2021
    Applicant: Clariant International Ltd.
    Inventors: Kevin James MUTCH, Carsten SCHAEFER, Catherine BREFFA, Jan DIEDERICHS, Steffen ROMANSKI, Stephen Norman BATCHELOR
  • Publication number: 20200207910
    Abstract: Alkoxylated polycarboxylic acid esters are provided obtainable by first reacting an aromatic polycarboxylic acid containing at least three carboxylic acid units or anhydrides derived therefrom, preferably an aromatic polycarboxylic acid containing three or four carboxylic acid units or anhydrides derived therefrom, more preferably an aromatic polycarboxylic acid containing three carboxylic acid units or anhydrides derived therefrom, even more preferably trimellitic acid or trimellitic acid anhydride, most preferably trimellitic acid anhydride, with an alcohol alkoxylate and in a second step reacting the resulting product with an alcohol or a mixture of alcohols, preferably with an alcohol.
    Type: Application
    Filed: June 11, 2018
    Publication date: July 2, 2020
    Applicant: Clariant International Ltd.
    Inventors: Kevin James MUTCH, Steffen ROMANSKI, Carsten SCHAEFER, Catherine BREFFA, Jan DIEDERICHS, Stephen Norman BATCHELOR
  • Patent number: 8940832
    Abstract: The invention relates to polymers that can be obtained by polymerizing the monomers (A), (B), and (D), and optionally (C), where (A) is a monomer of formula (I), wherein A stands for C2 to C4 alkylene, B stands for a C2 to C4 alkylene different from A, R stands for hydrogen or methyl, m stands for a number from 1 to 500, n stands for a number from 1 to 500, (B) is an ethylenically unsaturated monomer that contains at least one carboxylic acid function, (C) is optionally a further ethylenically unsaturated monomer different from (A) and (B), (D) is a monomer of formula (II), wherein D stands for C2 to C4 alkylene, E stands for a C2 to C4 alkylene group different from D, F stands for a C2 to C4 alkylene group different from E, R stands for hydrogen or methyl, o stands for a number from 1 to 500, p stands for a number from 1 to 500, q stands for a number from 1 to 500, and wherein the weight fraction of the monomers is 35 to 99% for the macromonomer (A), 0.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: January 27, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Carsten Schaefer, Oliver Mogck
  • Patent number: 8920543
    Abstract: The invention provides for the use of copolymers comprising 1 to 99 mol % of structural units of the formula (1) in which R1 is hydrogen or C1-C6-alkyl, A is C2-C4-alkylene groups and B is C2-C4-alkylene groups, with the proviso that A is different than B, and x, y are each independently an integer of 1-100, and 1 to 99 mol % of structural units of the formula (3) in which R6 is hydrogen or C1-C6-alkyl, D is C2-C4-alkylene groups and z is an integer of 1-50, in amounts of 0.01 to 2% by weight, based on the water phase, as gas hydrate inhibitors.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: December 30, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dirk Leinweber, Alexander Roesch, Carsten Schaefer, Alexander Woerndle
  • Patent number: 8920542
    Abstract: The invention relates to the use of polymers, containing between 1 and 100 mol % of structural units of the formula (1), wherein R1 means hydrogen or C1-C6 alkyl, A means C2-C4 alkylene groups, and B means C2-C4 alkylene groups, with the stipulation that A is different from B, and x and y mean an integer from 1 to 100 independent of each other, in amounts of 0.01 to 2 wt % relative to the water phase, as gas hydrate inhibitors.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: December 30, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dirk Leinweber, Alexander Roesch, Carsten Schaefer
  • Publication number: 20140141977
    Abstract: The invention relates to suspension concentrates comprising a) one or more pesticides that are solid at room temperature, b) one or more specific copolymers, c) one or more additional auxiliary substances as applicable and d) one or more solvents. The copolymers b) comprise structural units of formula (I), wherein A stands for C2-C4-alkyls, B stands for a C2-C4-alkyl different from A, R stands for hydrogen or methyl, m is a number from 1 to 500, n is a number from 1 to 500, the sum of m+n is equal to 2 to 1000 and P stands for H or for a specific other concluding group, and structural units derived from specific ethylenic, unsaturated monomers that comprise an aromatic group, and structural units derived from specific ethylenic, unsaturated monomers that comprise aliphatic hydrocarbon residue. The suspension concentrates according to the invention are advantageously suitable for use as pesticides.
    Type: Application
    Filed: March 10, 2012
    Publication date: May 22, 2014
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Andreas Wacker, Carsten Schaefer, Alexander Woerndale, Robert Milbradt
  • Publication number: 20140005315
    Abstract: The invention relates to dispersion colors, containing water and (A) at least one polymer dispersion comprising homopolymers and copolymers from olefinic unsaturated monomers; (B) at least one inorganic white pigment or an inorganic filler material; (C) at least one organic colored pigment or rust pigment; (D) at least one composition of formula (I), where A is a residue derived from a polyhydric alcohol or alkanolamine having at least three active hydrogen atoms; R is a methyl or ethyl residue; R? is a hydrogen atom or a methyl, ethyl, propyl or butyl residue; n is an integer from 1 to 250; m is an integer from 1 to 500; x is smaller than or equal to the number of hydrogen atoms in the polyhydric alcohol or alkanolamine from which A is derived, and where the polyoxyethylene and polyoxyalkylene groups are arranged in blocks corresponding to the sequence specified in formula (I).
    Type: Application
    Filed: March 8, 2012
    Publication date: January 2, 2014
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Hendrik Ahrens, Carsten Schaefer
  • Publication number: 20130101859
    Abstract: The present invention relates to coatings comprising a matrix and an active polymer embedded therein, characterised in that either (i) the matrix is cross-linked, or (ii) the active polymer is cross-linked or (iii) the active polymer is covalently bonded to the matrix; and in case of a cross-linked active polymer a matrix may be omitted; and the active polymer contains structural units according to the description, and a cross-linking agent and/or coupling reagent are optionally contained therein. Said coatings exhibit outstanding anti-ice properties. The invention further relates to shaped articles and devices comprising such coatings, and to a method for the manufacturing and the use of such coatings, shaped articles and devices.
    Type: Application
    Filed: January 10, 2011
    Publication date: April 25, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Martina Hirayama, Konstantin Siegmann, Giuseppe Meola, Carsten Schaefer, Karin Daenhardt
  • Publication number: 20130065799
    Abstract: The invention provides for the use of copolymers comprising 1 to 99 mol % of structural units of the formula (1) in which R1 is hydrogen or C1-C6-alkyl, A is C2-C4-alkylene groups and B is C2-C4-alkylene groups, with the proviso that A is different than B, and x, y are each independently an integer of 1-100, and 1 to 99 mol % of structural units of the formula (3) in which R6 is hydrogen or C1-C6-alkyl, D is C2-C4-alkylene groups and z is an integer of 1-50, in amounts of 0.01 to 2% by weight, based on the water phase, as gas hydrate inhibitors.
    Type: Application
    Filed: April 27, 2011
    Publication date: March 14, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Dirk Leinweber, Alexander Roesch, Carsten Schaefer, Alexander Woerndle
  • Patent number: 8383749
    Abstract: The invention relates to a pigment preparation containing (i) at least one organic and/or inorganic pigment, (ii) a dispersant that can be obtained by the polmerization of monomers [A], [B], [C] and [D], where [A] is a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, and R is hydrogen or methyl, [B] is a monomer of formula (II) wherein D is C3 alkylene, R is hydrogen or methyl, and o is a number between 2 and 500, [C] is an ethylenically unsaturated monomer containing an aromatic group; and [D] is an ethylenically unsaturated monomer containing an alkyl radical.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: February 26, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle, Dietmar Beck
  • Patent number: 8372929
    Abstract: The invention relates to copolymers that can be obtained by the polymerization of monomers (A), (B), (C) and (D), where (A) is a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, R is hydrogen or methyl, m is a number between 1 and 500, and n is a number between 1 and 500, the sum of m+n being equal to between 2 and 1000; (B) is a monomer of formula (II) wherein D is C3 alkylene, R is hydrogen or methyl, and o is a number between 2 and 500; (C) is an ethylenically unsaturated monomer containing an aromatic group; and (D) is an ethylenically unsaturated monomer containing an alkyl radical.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: February 12, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
  • Patent number: 8349981
    Abstract: The invention relates to anionically modified copolymers that can be obtained by the polymerization of monomers (A), (B), (C) and (D) in order to obtain non-ionic copolymers comprising reactive terminal OH groups, and subsequent reaction of the terminal OH groups to form anionic end groups, where A) is a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, and R is hydrogen or methyl; (B) is a monomer of formula (II) wherein D is C3 alkylene, R is hydrogen or methyl, and o is a number between 2 and 500; (C) is an ethylenically unsaturated monomer containing an aromatic group; and (D) is an ethylenically unsaturated monomer containing an alkyl radical.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: January 8, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
  • Publication number: 20120322920
    Abstract: The invention relates to polymers that can be obtained by polymerizing the monomers (A), (B), and (D), and optionally (C), where (A) is a monomer of formula (I), wherein A stands for C2 to C4 alkylene, B stands for a C2 to C4 alkylene different from A, R stands for hydrogen or methyl, m stands for a number from 1 to 500, n stands for a number from 1 to 500, (B) is an ethylenically unsaturated monomer that contains at least one carboxylic acid function, (C) is optionally a further ethylenically unsaturated monomer different from (A) and (B), (D) is a monomer of formula (II), wherein D stands for C2 to C4 alkylene, E stands for a C2 to C4 alkylene group different from D, F stands for a C2 to C4 alkylene group different from E, R stands for hydrogen or methyl, o stands for a number from 1 to 500, p stands for a number from 1 to 500, q stands for a number from 1 to 500, and wherein the weight fraction of the monomers is 35 to 99% for the macromonomer (A), 0.
    Type: Application
    Filed: February 15, 2011
    Publication date: December 20, 2012
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Carsten Schaefer, Oliver Mogck
  • Patent number: 8318882
    Abstract: The invention relates to anionically modified copolymers that can be obtained by the polymerization of the monomers (A), (B) and (C), obtaining non-ionic polymers containing reactive terminal OH groups, and by subsequent conversion of the terminal OH groups to form anionic end groups, (A) being a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4alkylene different from A, k corresponds to the number 0 or 1, m is a number between 0 and 500, preferably between 0 and 50, n is a number between 0 and 500, preferably between 0 and 50, the sum of m+n being equal to between 1 and 1000; (B) contains an ethylenically unsaturated monomer containing an aromatic group; and (C) is an ethylenically unsaturated monomer containing an alkyl radical.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: November 27, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
  • Patent number: 8318881
    Abstract: The invention relates to a copolymer that can be obtained by the polymerisation of monomers (A), (B) and (C), (A) being a monomer of formula (I), in which A represents a C2 to C4alkene and B represents a C2 to C4alkene that is different from A, R represents hydrogen or methyl, m is a number between 1 and 500, n is a number between 1 and 500, (B) is an ethylenically unsaturated monomer containing an aromatic group and (C) is an ethylenically unsaturated monomer containing an alkyl radical. The claimed copolymers are suitable for use as dispersants for pigments.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: November 27, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
  • Patent number: 8318880
    Abstract: The invention relates to anionically modified copolymers that can be produced by the polymerization of monomers (A), (B) and (C) to obtain non-ionic polymers with reactive terminal OH groups and by the subsequent reaction of the terminal OH groups to form anionic end groups. According to the invention, (A) is a monomer of formula (I), in which A represents C2-C4 alkene and B represents a C2-C4 alkene that is different from A, R represents hydrogen or methyl, m is a number between 1 and 500, n is a number between 1 and 500, (B) is an ethylenically unsaturated monomer containing an aromatic group and (C) is a ethylenically unsaturated monomer.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: November 27, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle