Patents by Inventor Alexander Woerndle
Alexander Woerndle 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: 8920543Abstract: 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: GrantFiled: April 27, 2011Date of Patent: December 30, 2014Assignee: Clariant Finance (BVI) LimitedInventors: Dirk Leinweber, Alexander Roesch, Carsten Schaefer, Alexander Woerndle
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Patent number: 8680188Abstract: The invention relates to reaction products of amines with polymers containing dicarboxylic acids anhydride groups, method for the production thereof and use thereof as a dispersing additive for pigments. The invention also relates to solid pigment preparations containing said reaction products.Type: GrantFiled: May 16, 2013Date of Patent: March 25, 2014Assignee: Clariant Finance (BVI) LimitedInventors: Carsten Plueg, Jesus Pitarch Lopez, Alexander Woerndle
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Publication number: 20130253104Abstract: The invention relates to reaction products of amines with polymers containing dicarboxylic acids anhydride groups, method for the production thereof and use thereof as a dispersing additive for pigments. The invention also relates to solid pigment preparations containing said reaction products.Type: ApplicationFiled: May 16, 2013Publication date: September 26, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Carsten PLUEG, Jesus PITARCH LOPEZ, Alexander WOERNDLE
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Patent number: 8466219Abstract: The invention relates to reaction products of amines with polymers containing dicarboxylic acids anhydride groups, method for the production thereof and use thereof as a dispersing additive for pigments. The invention also relates to solid pigment preparations containing said reaction products.Type: GrantFiled: March 31, 2009Date of Patent: June 18, 2013Assignee: Clariant Finance (BVI) LimitedInventors: Carsten Plueg, Jesus Pitarch Lopez, Alexander Woerndle
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Publication number: 20130065799Abstract: 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: ApplicationFiled: April 27, 2011Publication date: March 14, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Dirk Leinweber, Alexander Roesch, Carsten Schaefer, Alexander Woerndle
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Patent number: 8383749Abstract: 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: GrantFiled: July 17, 2009Date of Patent: February 26, 2013Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle, Dietmar Beck
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Patent number: 8372929Abstract: 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: GrantFiled: July 17, 2009Date of Patent: February 12, 2013Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8349981Abstract: 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: GrantFiled: July 17, 2009Date of Patent: January 8, 2013Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8318882Abstract: 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: GrantFiled: July 23, 2008Date of Patent: November 27, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8318881Abstract: 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: GrantFiled: April 29, 2008Date of Patent: November 27, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8318880Abstract: 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: GrantFiled: April 29, 2008Date of Patent: November 27, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8221538Abstract: The invention relates to an aqueous pigment preparation, containing (A) at least one organic and/or inorganic pigment, (B) a dispersing agent of the formulas (I), (II), (III) or (IV), or mixtures of the dispersing agent of the formulas (I), (II), (III) or (IV), (C) optionally a wetting agent (D) optionally further surfactants and/or dispersing agents, (E) optionally one or multiple organic solvents, or one or multiple hydrotropic substances, (F) optionally further additives common for the production of aqueous pigment dispersions, and (G) water.Type: GrantFiled: July 23, 2008Date of Patent: July 17, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8221537Abstract: The invention relates to aqueous pigment preparations containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I) or (II), or mixtures of the dispersants of formula (I) and (II), (C) optionally wetting agents, (D) optionally other surfactants and/or dispersants, (E) optionally one or more organic solvents or one or more hydrotropic substances, (F) optionally other additives used conventionally for the production of aqueous pigment dispersions and (G) water.Type: GrantFiled: April 29, 2008Date of Patent: July 17, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Patent number: 8221539Abstract: The invention relates to pigment preparations containing (i) at least one organic and/or inorganic pigment, and (ii) a dispersant of formula (I) or (II), or mixtures of dispersants of formulae (I) and (II), wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, D is propylene, and Q is SO3, CH2—COO, PO3M or QM.Type: GrantFiled: July 17, 2009Date of Patent: July 17, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle, Dietmar Beck
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Patent number: 8202361Abstract: The invention relates to an aqueous pigment preparation containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I), (II), (III) or (IV) or mixtures of the dispersants of formula (I), (II), (III) or (IV), (C) optionally wetting agents, (C) optionally other surfactants and/other dispersants, (E) optionally at least one organic solvent or at least one hydrotropic substance, (F) optionally other additives commonly used to produce aqueous pigment dispersions.Type: GrantFiled: July 23, 2008Date of Patent: June 19, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Publication number: 20110244385Abstract: The invention relates to aqueous pigment preparations containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I) or (II), or mixtures of the dispersants of formula (I) and (II), (C) optionally wetting agents, (D) optionally other surfactants and/or dispersants, (E) optionally one or more organic solvents or one or more hydrotropic substances, (F) optionally other additives used conventionally for the production of aqueous pigment dispersions and (G) water.Type: ApplicationFiled: April 29, 2008Publication date: October 6, 2011Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Publication number: 20110213094Abstract: The invention relates to anionically modified copolymers that can be obtained by the polymerisation 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: ApplicationFiled: July 23, 2008Publication date: September 1, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Publication number: 20110185781Abstract: The invention relates to an aqueous pigment preparation, containing (A) at least one organic and/or inorganic pigment, (B) a dispersing agent of the formulas (I), (II), (III), or (IV), or mixtures of the dispersing agent of the formulas (I), (II), (III), or (IV), (C) optionally a wetting agent, (D) optionally further surfactants and/or dispersing agents, (E) optionally one or multiple organic solvents, or one or multiple hydrotropic substances, (F) optionally further additives common for the production of aqueous pigment dispersions, and (G) water.Type: ApplicationFiled: July 23, 2008Publication date: August 4, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Publication number: 20110184097Abstract: The invention relates to pigment preparations containing (i) at least one organic and/or inorganic pigment, and (ii) a dispersant of formula (I) or (II), or mixtures of dispersants of formulae (I) and (II), wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, D is propylene, and Q is SO3, CH2—COO, PO3M or QM.Type: ApplicationFiled: July 17, 2009Publication date: July 28, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle, Dietmar Beck
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Publication number: 20110160404Abstract: 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: ApplicationFiled: July 17, 2009Publication date: June 30, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle