Patents by Inventor Hendrik Ahrens

Hendrik Ahrens 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: 20160257825
    Abstract: The invention relates to aqueous, binder-free pigment preparations containing at least one anionic fatty amide of formula (I), where R is a linear or branched, saturated or unsaturated C7 to C17-aliphatic hydrocarbon group, A is an anionic group, such as a sulphate, phosphate or methyl-carboxylate group or a sulfosuccinic acid half-ester group, and n represents a whole number between 1 and 30.
    Type: Application
    Filed: September 11, 2014
    Publication date: September 8, 2016
    Applicant: Clariant International Ltd.
    Inventor: Hendrik AHRENS
  • Patent number: 9340662
    Abstract: The invention relates to aqueous pigment preparations containing (A) 1.0 to 75.0 percent by weight of at least one organic or inorganic white or colored pigment or a mixture of different inorganic white or colored pigments, (B) 0.01 to 8.0 percent by weight of at least one fatty acid condensation product with the formula (I), (C) 0.01 to 12.0 percent by weight of a nonionic surfactant and (G) water.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: May 17, 2016
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventor: Hendrik Ahrens
  • Patent number: 9303144
    Abstract: The invention relates to aqueous, binding agent-free pigment preparations, containing (A) 1.0 to 75.0 wt % of at least one organic or inorganic white or colored pigment or a mixture of various organic and inorganic white or colored pigments, (B) 0.01 to 8.0 wt. % of at least one phosphatide of formula (I), wherein R represents a group containing a carbon, hydrogen, oxygen atom and optionally a nitrogen and sulfur atom group, (C) 0.01 to 12.0 wt. % of a polyhydroxy fatty acid amide of formula (II) in which R3CO represents an acyl group of caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmoleinic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, arachidic acid, gadoleic acid, behenic acid or erucic acid or their technical mixtures, R4 represents a hydrogen atom or a C1 to C4 alkyl group and q represents 3 and 4.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: April 5, 2016
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventor: Hendrik Ahrens
  • Patent number: 9303143
    Abstract: The invention relates to aqueous, binding agent-free pigment preparations, containing: (A) 1.0-to 75.0 wt. % of at least one organic or inorganic white or colored pigment or a mixture of different organic and inorganic white or colored pigments; (B) 0.01 to 8.0 wt. % of at least one phosphatide of formula (I), wherein R represents a group containing carbon, hydrogen and oxygen atoms and optionally nitrogen and sulfur atoms; 0.01 to 12.0 wt. % of a fatty acid alkanol amide ethoxylate of the formula (II), wherein a represents an integer between 3 and 50, R3 represents C7- to C21-alkyl or -alkenyl; and (G) water.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: April 5, 2016
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventor: Hendrik Ahrens
  • Publication number: 20160067661
    Abstract: The invention relates to aqueous surfactant solutions containing (A) 50.0 to 90.0% by weight of an ethoxylate of linear saturated or unsaturated fatty alcohols of formula (I), wherein R is a linear alkyl- or alkenyl group having 6 to 22 carbon atoms, n is an integer from 3 to 100, (B) 0.01 to 20.0% by weight of a benzyl alcohol alkoxylate of formula (II), wherein A is a hydrogen atom or a methyl group, m is a number from 3 to 10, and (C) water.
    Type: Application
    Filed: April 10, 2014
    Publication date: March 10, 2016
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventor: Hendrik AHRENS
  • Patent number: 9187619
    Abstract: The invention relates to aqueous binder-free pigment preparations containing (A) 1.0 to 75.0 wt. % of at least one organic or inorganic white or colored pigment or a mixture of different organic and inorganic white or colored pigments, (B) 0.01 to 8.0 wt.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: November 17, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Patent number: 9187614
    Abstract: Phosphoric acid ester as dispersing agents in binding agent free-pigment preparations. The invention relates to aqueous, binding agent free-pigment preparations, containing (A) 1.0-75.0 wt.-% of at least one organic or inorganic white or colored pigment or a mixture of different organic and inorganic white or colored pigments, (B) 0.01 to 8.0 wt. % of at least one phosphoric acid ester of formula (IV), wherein R represents a linear or cross-branched, saturated or unsaturated C8 to C18-aliphatic hydrocarbon group, M represents a hydrogen atom or a sodium, potassium or ammonium ion, n is an integer of between 0-20 and m is an integer of between 0-20, (C) 0.01-12.0 wt.-% of a non-ionic surfactant which is a fatty acid ethanol amide ethoxylate of formula (V), wherein a represents an integer of between 3-50, and R1 represents C7--C21-alkyl or -alkenyl and (G) water.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: November 17, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Publication number: 20150267038
    Abstract: The invention relates to aqueous, binding agent-free pigment preparations, containing: (A) 1.0- to 75.0 wt. % of at least one organic or inorganic white or coloured pigment or a mixture of different organic and inorganic white or coloured pigments; (B) 0.01 to 8.0 wt. % of at least one phosphatide of formula (I), wherein R represents a group containing carbon, hydrogen and oxygen atoms and optionally nitrogen and sulfur atoms; 0.01 to 12.0 wt. % of a fatty acid alkanol amide ethoxylate of the formula (II), wherein a represents an integer between 3 and 50, R3 represents C7- to C21-alkyl or -alkenyl; and (G) water.
    Type: Application
    Filed: September 4, 2013
    Publication date: September 24, 2015
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Hendrik Ahrens
  • Publication number: 20150259503
    Abstract: Phosphoric acid ester as dispersing agents in binding agent free-pigment preparations. The invention relates to aqueous, binding agent free-pigment preparations, containing (A) 1.0-75.0 wt.-% of at least one organic or inorganic white or coloured pigment or a mixture of different organic and inorganic white or coloured pigments, (B) 0.01 to 8.0 wt. % of at least one phosphoric acid ester of formula (IV), wherein R represents a linear or cross-branched, saturated or unsaturated C8 to C18? aliphatic hydrocarbon group, M represents a hydrogen atom or a sodium, potassium or ammonium ion, n is an integer of between 0-20 and m is an integer of between 0-20, (C) 0.01-12.0 wt.-% of a non-ionic surfactant which is a fatty acid ethanol amide ethoxylate of formula (V), wherein a represents an integer of between 3-50, and R1 represents C7?-C21? alkyl or -alkenyl and (G) water.
    Type: Application
    Filed: September 4, 2013
    Publication date: September 17, 2015
    Applicant: Clariant Finance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Publication number: 20150252174
    Abstract: The invention relates to aqueous, binding agent-free pigment preparations, containing (A) 1.0 to 75.0 wt % of at least one organic or inorganic white or colored pigment or a mixture of various organic and inorganic white or colored pigments, (B) 0.01 to 8.0 wt. % of at least one phosphatide of formula (I), wherein R represents a group containing a carbon, hydrogen, oxygen atom and optionally a nitrogen and sulfur atom group, (C) 0.01 to 12.0 wt. % of a polyhydroxy fatty acid amide of formula (II) in which R3CO represents an acyl group of caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmoleinic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, arachidic acid, gadoleic acid, behenic acid or erucic acid or their technical mixtures, R4 represents a hydrogen atom or a C1 to C4 alkyl group and q represents 3 and 4.
    Type: Application
    Filed: September 4, 2013
    Publication date: September 10, 2015
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Hendrik Ahrens
  • Publication number: 20150247023
    Abstract: The invention relates to aqueous binder-free pigment preparations containing (A) 1.0 to 75.0 wt. % of at least one organic or inorganic white or coloured pigment or a mixture of different organic and inorganic white or coloured pigments, (B) 0.01 to 8.0 wt.
    Type: Application
    Filed: August 20, 2013
    Publication date: September 3, 2015
    Applicant: Clariant Fiance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Publication number: 20150175780
    Abstract: The invention relates to aqueous pigment preparations containing (A) 1.0 to 75.0 percent by weight of at least one organic or inorganic white or coloured pigment or a mixture of different inorganic white or coloured pigments, (B) 0.01 to 8.0 percent by weight of at least one fatty acid condensation product with the formula (I), (C) 0.01 to 12.0 percent by weight of a nonionic surfactant and (G) water.
    Type: Application
    Filed: May 10, 2013
    Publication date: June 25, 2015
    Applicant: Clariant Finance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Patent number: 8968462
    Abstract: The subject matter of the invention relates to aqueous pigment preparations containing (A) 30 to 75% by weight of at least one inorganic white or colored pigment or a mixture of different inorganic white or colored pigments, (B) 0.01 to 15% by weight of at least one fatty acid ethanol amide ethoxylate of the formula (I), in which R1 is a linear or branched alkyl radical or alkenyl radical with 7 to 21 carbon atoms, and n is a whole number from 2 to 40, (C) 0.01 to 5% by weight of at least one amine of the formula (II), in which R2 is a linear or branched alkyl radical or alkenyl radical with 8 to 22 carbon atoms, identical to or different from R1, A represents an iminopropyl group —NH—CH2—CH2—CH2—, an oxyethyl group —O—CH2—CH2— or an oxypropyl group —O—CH2—CH(CH3)—CH2—, and a is a whole number from 0 to 5, wherein the compound of the formula (II); can be present in the form of an ammonium salt, and (E) water.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: March 3, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Publication number: 20150000566
    Abstract: The subject matter of the invention relates to aqueous pigment preparations containing (A) 30 to 75% by weight of at least one inorganic white or colored pigment or a mixture of different inorganic white or colored pigments, (B) 0.01 to 15% by weight of at least one fatty acid ethanol amide ethoxylate of the formula (I), in which R1 is a linear or branched alkyl radical or alkenyl radical with 7 to 21 carbon atoms, and n is a whole number from 2 to 40, (C) 0.01 to 5% by weight of at least one amine of the formula (II), in which R2 is a linear or branched alkyl radical or alkenyl radical with 8 to 22 carbon atoms, identical to or different from R1, A represents an iminopropyl group —NH—CH2—CH2—CH2—, an oxyethyl group —O—CH2—CH2— or an oxypropyl group —O—CH2—CH(CH3)—CH2—, and a is a whole number from 0 to 5, wherein the compound of the formula (II); can be present in the form of an ammonium salt, and (E) water.
    Type: Application
    Filed: December 19, 2012
    Publication date: January 1, 2015
    Applicant: Clariant Finance (BVI) Limited
    Inventor: Hendrik Ahrens
  • Publication number: 20140345495
    Abstract: The invention relates to aqueous pigment preparations containing (A) 30 to 75 wt. % of at least one inorganic white or colored pigment or a mixture of different inorganic white or colored pigments; (B) 0.01 to 15 wt. % of at least one alcohol alkoxylate of the formula (I), in which R1 is a linear or branched alkyl or alkenyl group with 8 to 22 carbon atoms, m is a whole number from 1 to 20, and n is a whole number from 1 to 20; (C) 0.01 to 5 wt. % of at least one amine of the formula (II), in which R2 is a linear or branched alkyl or alkenyl group with 8 to 22 carbon atoms, said alkyl or alkenyl group being the same as or different from R1, A is an iminopropyl group —NH—CH2—CH2—CH2—, an oxyethyl group —O—CH2—CH2—, or an oxypropyl group —O—CH2—CH(CH3)—CH2—, and a is a whole number from 0 to 5, wherein the compound of formula (II) can be present in the form of an ammonium salt; and (E) water.
    Type: Application
    Filed: December 19, 2012
    Publication date: November 27, 2014
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Hendrik Ahrens
  • Publication number: 20140100331
    Abstract: The invention provides aqueous polymer dispersions comprising polyalkylene glycol block copolymers containing phosphorus groups of the formula (I) in which A is a hydrogen atom or a phosphate group PO3M2, M is a hydrogen atom or a sodium, potassium or ammonium ion, m is a number from 1 to 100 and n is a number from 3 to 100.
    Type: Application
    Filed: October 8, 2013
    Publication date: April 10, 2014
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventor: Hendrik AHRENS
  • 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: 20130165580
    Abstract: The invention relates to aqueous pigment preparations, containing (A) 1 to 75 wt % of an organic or inorganic white or colored pigment or a mixture of various organic or inorganic white or colored pigments, (B) 0.01 to 40 wt % of one or more wetting and dispersing additives, (C) 0.01 to 5 wt % of a water-soluble or water-swellable, cross-linked copolymer containing 50 to 98.99 wt % of acrylamidoalkylsulfonic acid and salts thereof of the formula (I), 1 to 49.99 wt % of cyclic N-vinylcarboxamides of the formula (II), and 0.01 to 8 wt % of a cross-linking monomer having at least 2 olefinically unsaturated units, wherein R is a hydrogen atom or a methyl group, A is a linear or branched alkylene group having 1 to 8 carbon atoms, M is a hydrogen atom, ammonium, or an alkali metal ion, and n is an integer from 2 to 9.
    Type: Application
    Filed: August 17, 2011
    Publication date: June 27, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Hendrik Ahrens
  • Patent number: 7811376
    Abstract: An aqueous pigment preparation containing: (A) at least one organic and/or inorganic pigment; (B) at least one water-soluble or water-dispersible non-ionic oligoester or polyester, which is obtained by the polycondensation of dicarboxylic acid and glycol components, said oligoester or polyester comprising I) one or more aromatic dicarboxylic acids, their esters or anhydrides, II) C2-C8 alkenediols, III) poly (C1-C4-alkene)glycols and/or methylpoly(C2-C4 alkene)glycols, IV) optional water-soluble addition products of alkene oxide on C1-C24 alcohols, C6-C18 alkylphenols or on C8-C24 alkylamines and V) one or more optional polyols; (C) optional additional dispersants and surfactants that are conventionally used to produce aqueous pigment dispersions; (D) optional additional additives that are conventionally used to produce aqueous pigment dispersions; and (E) water.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: October 12, 2010
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Bjoern Fechner, Frank-Peter Lang, Alexander Lerch, Uwe Bechtold, Hendrik Ahrens
  • Publication number: 20100222500
    Abstract: The invention relates to aqueous pigment preparations containing at least one organic and/or inorganic pigment, as well as dispersing agent that comprises or more structural units of the formula (I) which are bound to a structural unit Y. In formula (I), a represents an integer from 1 to 100, b represents an integer from 0 to 100, c represents an integer from 1 to 100, units a, b, and c can be arranged statistically or in blocks, R2 represents an aliphatic, linear or branched hydrocarbon radical having 1 to 30 carbon atoms, A represents hydrogen or an anionic radical of the formulae —SO3M, —SO2M, —PO3M2, —CH2COOM or (II), and M represents a hydrogen atom, a cation from the group Na+, K+, NH4+, ethanolammonium, diethanolammonium or triethanolammonium, or a secondary, tertiary or quaternary, alkyl-substituted ammonium ion that is substituted with alkyl groups, or a combination thereof.
    Type: Application
    Filed: January 10, 2007
    Publication date: September 2, 2010
    Inventors: Hendrik Ahrens, Bjoern Fechner, Uwe Bechtold