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).
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Publication number: 20160257825Abstract: 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: ApplicationFiled: September 11, 2014Publication date: September 8, 2016Applicant: Clariant International Ltd.Inventor: Hendrik AHRENS
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Patent number: 9340662Abstract: 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: GrantFiled: May 10, 2013Date of Patent: May 17, 2016Assignee: CLARIANT INTERNATIONAL LTD.Inventor: Hendrik Ahrens
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Patent number: 9303144Abstract: 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: GrantFiled: September 4, 2013Date of Patent: April 5, 2016Assignee: CLARIANT INTERNATIONAL LTD.Inventor: Hendrik Ahrens
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Patent number: 9303143Abstract: 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: GrantFiled: September 4, 2013Date of Patent: April 5, 2016Assignee: CLARIANT INTERNATIONAL LTD.Inventor: Hendrik Ahrens
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Publication number: 20160067661Abstract: 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: ApplicationFiled: April 10, 2014Publication date: March 10, 2016Applicant: CLARIANT INTERNATIONAL LTD.Inventor: Hendrik AHRENS
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Derivatives of sulphosuccinic acid as a dispersing agent in aqueous binder-free pigment preparations
Patent number: 9187619Abstract: 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: GrantFiled: August 20, 2013Date of Patent: November 17, 2015Assignee: Clariant Finance (BVI) LimitedInventor: Hendrik Ahrens -
Patent number: 9187614Abstract: 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: GrantFiled: September 4, 2013Date of Patent: November 17, 2015Assignee: Clariant Finance (BVI) LimitedInventor: Hendrik Ahrens
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Publication number: 20150267038Abstract: 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: ApplicationFiled: September 4, 2013Publication date: September 24, 2015Applicant: CLARIANT FINANCE (BVI) LIMITEDInventor: Hendrik Ahrens
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Publication number: 20150259503Abstract: 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: ApplicationFiled: September 4, 2013Publication date: September 17, 2015Applicant: Clariant Finance (BVI) LimitedInventor: Hendrik Ahrens
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Publication number: 20150252174Abstract: 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: ApplicationFiled: September 4, 2013Publication date: September 10, 2015Applicant: CLARIANT FINANCE (BVI) LIMITEDInventor: Hendrik Ahrens
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Derivatives Of Sulphosuccinic Acid As A Dispersing Agent In Aqueous Binder-Free Pigment Preparations
Publication number: 20150247023Abstract: 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: ApplicationFiled: August 20, 2013Publication date: September 3, 2015Applicant: Clariant Fiance (BVI) LimitedInventor: Hendrik Ahrens -
Publication number: 20150175780Abstract: 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: ApplicationFiled: May 10, 2013Publication date: June 25, 2015Applicant: Clariant Finance (BVI) LimitedInventor: Hendrik Ahrens
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Patent number: 8968462Abstract: 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: GrantFiled: December 19, 2012Date of Patent: March 3, 2015Assignee: Clariant Finance (BVI) LimitedInventor: Hendrik Ahrens
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Publication number: 20150000566Abstract: 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: ApplicationFiled: December 19, 2012Publication date: January 1, 2015Applicant: Clariant Finance (BVI) LimitedInventor: Hendrik Ahrens
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Publication number: 20140345495Abstract: 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: ApplicationFiled: December 19, 2012Publication date: November 27, 2014Applicant: CLARIANT FINANCE (BVI) LIMITEDInventor: Hendrik Ahrens
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Publication number: 20140100331Abstract: 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: ApplicationFiled: October 8, 2013Publication date: April 10, 2014Applicant: CLARIANT INTERNATIONAL LTD.Inventor: Hendrik AHRENS
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Publication number: 20140005315Abstract: 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: ApplicationFiled: March 8, 2012Publication date: January 2, 2014Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Hendrik Ahrens, Carsten Schaefer
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Publication number: 20130165580Abstract: 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: ApplicationFiled: August 17, 2011Publication date: June 27, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventor: Hendrik Ahrens
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Patent number: 7811376Abstract: 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: GrantFiled: September 29, 2005Date of Patent: October 12, 2010Assignee: Clariant Produkte (Deutschland) GmbHInventors: Bjoern Fechner, Frank-Peter Lang, Alexander Lerch, Uwe Bechtold, Hendrik Ahrens
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Publication number: 20100222500Abstract: 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: ApplicationFiled: January 10, 2007Publication date: September 2, 2010Inventors: Hendrik Ahrens, Bjoern Fechner, Uwe Bechtold