Patents by Inventor Karlheinz Haubennestel
Karlheinz Haubennestel 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: 8795831Abstract: The invention relates to addition compounds and their salts, characterized in that the addition compounds are obtainable by reacting (a) one or more polyisocyanates having at least two isocyanate groups per molecule with (b) one or more compounds of the formula Y—(XH)n and (c) one or more compounds from the group consisting of (c1) compounds M-Q, (c2) a blocking agent for isocyanate groups, and (c3) optionally compounds of the general formula Z-Q. The invention further relates to the preparation of the addition compounds and to their use as dispersants, wetting agents and dispersion stabilizers, and also to solids coated with the addition compounds.Type: GrantFiled: January 9, 2009Date of Patent: August 5, 2014Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Karlheinz Haubennestel, Hans-Josef Teuwsen
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Patent number: 8530048Abstract: The invention relates to surface-modified particles, more particularly inorganic-based particles having reactive surfaces, more particularly surfaces containing silane-reactive and/or siloxane-reactive groups, preferably hydroxyl-containing surfaces and/or particles comprising or consisting of metal and/or semi-metal oxides and/or hydroxides, preferably nanoparticles, which on their surface have a polysiloxane-based modifier having more particularly been reacted on their surface with a polysiloxane-based modifier, preferably with the formation of chemical bonds, more particularly covalent bonds, and also to a method of producing these surface-modified particles.Type: GrantFiled: July 16, 2007Date of Patent: September 10, 2013Assignee: Byk-Chemie GmbHInventors: Ulrich Nolte, Alfred Bubat, Karlheinz Haubennestel, Thomas Sawitowski
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Patent number: 8512465Abstract: The invention relates to the use of copolymers which as well as other monomers contain in copolymerized form 10% to 90% by weight of monomers containing heterocyclic basic groups, and which do not contain vinylpyrrolidone as a monomer component, as additives in paints for improving the adhesion of the solid paint film to a substrate. The invention also relates to cured and uncured polymer compositions comprising copolymers which as well as other monomers contain in copolymerized form 10% to 90% by weight of monomers containing heterocyclic basic groups, and which do not contain vinylpyrrolidone as a monomer component, as adhesion improver additions.Type: GrantFiled: May 4, 2007Date of Patent: August 20, 2013Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Stefan Mossmer, Thomas Launag, Albert Frank
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Patent number: 8492499Abstract: The invention relates to addition compounds which are obtainable by reacting a) one or more polyisocyanates containing uretdione groups with b) one or more compounds of the formula (I) Y—(XH)n??(I) with the proviso that at least 50% of the free isocyanate groups of component a) are reacted with the compounds of the formula (I) to give an intermediate which contains uretdione groups, and subsequently the intermediate is reacted with c) one or more compounds of the general formula (II) Z—NHRm??(II) with the proviso that all free NCO groups optionally still present and at least 20% of uretdione groups originally used are reacted with Z—(NHR)m. The invention further relates to the use of the addition compounds as dispersants and dispersion stabilizers, and to a process for preparing them.Type: GrantFiled: March 20, 2007Date of Patent: July 23, 2013Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Stefan Moessmer, Wolfgang Pritschins, Thomas Launag
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Patent number: 8362300Abstract: The present invention provides addition compounds, which suitable as dispersants and as dispersion stabilizers, and to the salts of the said compounds. The invention further provides processes for preparing these addition compounds, to their use as dispersants and dispersion stabilizers for organic and inorganic pigments and also fillers in organic and aqueous systems, and to pulverous or fibrous solids coated with such dispersants and intended for incorporation into liquid systems.Type: GrantFiled: May 6, 2005Date of Patent: January 29, 2013Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Udo Krappe, Karlheinz Haubennestel, Andrea Esser
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Dispersing agent for pigment concentrates, its use and masterbatches comprising the dispersing agent
Patent number: 7947777Abstract: The invention relates to polyesters which contain carboxy groups and which are used as dispersing agents for pigment concentrates for the colouring of thermoplastics, and to a process for their preparation. The invention further relates to the use of the polyesters as dispersing agents, and also to masterbatches which comprise pigments, thermoplastics and the polyesters.Type: GrantFiled: March 10, 2005Date of Patent: May 24, 2011Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Alfred Bubat, Udo Krappe, Barbel Gertzen, Joerg Garlinsky, Wolfgang Pritschins -
Publication number: 20110027585Abstract: The invention relates to addition compounds and their salts, characterized in that the addition compounds are obtainable by reacting (a) one or more polyisocyanates having at least two isocyanate groups per molecule with (b) one or more compounds of the formula Y—(XH)n and (c) one or more compounds from the group consisting of (c1) compounds M-Q, (c2) a blocking agent for isocyanate groups, and (c3) optionally compounds of the general formula Z-Q. The invention further relates to the preparation of the addition compounds and to their use as dispersants, wetting agents and dispersion stabilizers, and also to solids coated with the addition compounds.Type: ApplicationFiled: January 9, 2009Publication date: February 3, 2011Inventors: Wolfgang Pritschins, Karlheinz Haubennestel, Hans-Josef Teuwsen
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Patent number: 7834126Abstract: The invention relates to amide-containing polymers of the general formula (I) A-X—CO—(CH2)2—NR1—R2—[Y—R3—Y—R4)a—B??(I) and also their salts with carboxylic acids, phosphoric esters and sulphonic acids. The invention further relates to processes for preparing the amide-containing polymers and to their use as rheology control agents.Type: GrantFiled: October 10, 2006Date of Patent: November 16, 2010Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Stefan Moessmer, Ulrich Orth, Daniela Betcke
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Patent number: 7799890Abstract: The invention relates to amide-containing polymers of the general formula (I) A-X—CO—(CH2)2—NR1—R2—[Y—R3—Y—R4)a—B??(I) and also their salts with carboxylic acids, phosphoric esters and sulphonic acids. The invention further relates to processes for preparing the amide-containing polymers and to their use as rheology control agents.Type: GrantFiled: November 16, 2007Date of Patent: September 21, 2010Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Stefan Moessmer, Ulrich Orth, Daniela Betcke
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Publication number: 20100048809Abstract: The invention relates to surface-modified particles, more particularly inorganic-based particles having reactive surfaces, more particularly surfaces containing silane-reactive and/or siloxane-reactive groups, preferably hydroxyl-containing surfaces and/or particles comprising or consisting of metal and/or semi-metal oxides and/or hydroxides, preferably nanoparticles, which on their surface have a polysiloxane-based modifier having more particularly been reacted on their surface with a polysiloxane-based modifier, preferably with the formation of chemical bonds, more particularly covalent bonds, and also to a method of producing these surface-modified particles.Type: ApplicationFiled: July 16, 2007Publication date: February 25, 2010Applicant: BYK-CHEMIE GMBHInventors: Ulrich Nolte, Alfred Bubat, Karlheinz Haubennestel, Thomas Sawitowski
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Publication number: 20100029838Abstract: Use of copolymers as adhesion promoters in paints The invention relates to the use of copolymers which as well as other monomers contain in copolymerized form 10% to 90% by weight of monomers containing heterocyclic basic groups, and which do not contain vinylpyrrolidone as a monomer component, as additives in paints for improving the adhesion of the solid paint film to a substrate. The invention also relates to cured and uncured polymer compositions comprising copolymers which as well as other monomers contain in copolymerized form 10% to 90% by weight of monomers containing heterocyclic basic groups, and which do not contain vinylpyrrolidone as a monomer component, as adhesion improver additions.Type: ApplicationFiled: May 4, 2007Publication date: February 4, 2010Inventors: Karlheinz Haubennestel, Stefan Mossmer, Thomas Launag, Albert Frank
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Patent number: 7655815Abstract: The invention relates to biuret compounds of the idealized general formula in which R1 is a (C1-C22)-alkylene, (C3-C22)-alkenylene, (C5-C15)-cycloalkylene, arylene, (C7-C12)-aralkylene, a polyoxyalkylene radical or is a polyester radical, R2 is a (C1-C22)-alkyl, hydroxy-(C1-C22)-alkyl, (C3-C18)-alkenyl, aryl, (C7-C12)-aralkyl, or (C5-C12)-cycloalkyl radical, a hydroxy-, (C1-C22)-alkoxy-, (C5-C12)-cycloalkoxy-, or (C7-C12)-aralkoxy-polyoxyalkylene radical, or a polyester radical prepared starting from a (C1-C22)-alkanol, (C5-C12)-cycloalkanol, or (C7-C12)-aralkanol or from a (C1-C22)-alkoxy-, (C6-C12)-cycloalkoxy-, or (C7-C12)-aralkoxy-polyoxyalkylene, Y stands for identical or different radicals O, NH, CO—NH—NH or NH—NH—CO, R3, R4 and R5 independently of one another are a (C2-C40)-alkylene, (C3-C40)-alkenylene, (C5-C40)-cyclo-alkylene, arylene, (C7-C40)-aralkylene or polyoxy-alkylene radical or are a polyester radical, R6 is a (C1-C30)-alkyl, (C3-C22)-alkenyl, hydroxyalkyl and hydroxyalkenyl, (C4-C13)-cyType: GrantFiled: March 6, 2007Date of Patent: February 2, 2010Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Ulrich Orth, Matthias Pickave, Stefan Moessmer, Daniela Betcke
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Patent number: 7652166Abstract: The present invention relates to biuret compounds of the general formula in which R1 is C2-C18 alkylene, cycloalkylene, arylene or aralkylene, Y is —O— and/or —NH—, R2 is C4-C22 alkyl, C3-C18 alkenyl, cycloalkyl, aralkyl, CmH2m+1(O—CnH2n)x—(O—CH(C6H5)—CH2)u-, CmH2m+1(OOC—CvH2v)x-, X—C6H4—(O—CnH2n)x—(O—CH(C6H5)—CH2)u-, where m=1-22, n=2-4, x=0-15, u=0-15, v=4-5, X is C1-C12 alkyl, —(C6H5)1-4 and R3, R4 and R5 are C2-C18 alkylene, cycloalkylene, arylene or aralkylene, it being possible for R3, R4 and R5 to be identical or different, Z is —COO—, NHCO—, NHCOO—, NHCONH— and/or mixtures thereof and a is 1-20. The invention also relates to a process for preparing biuret compounds and to their use as rheology control agents. The invention further relates to urethane- and/or urea-containing uretdiones which are useful intermediates for preparing the biuret compounds.Type: GrantFiled: April 7, 2006Date of Patent: January 26, 2010Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Stefan Moessmer, Ulrich Orth, Daniela Betcke
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Patent number: 7641972Abstract: The invention relates to surface-modified nanoparticles composed of metal or semimetal oxides or hydroxides and having been reacted on their surface with a modifier, with formation of covalent bonds. The modifier is a polysiloxane. The invention also relates to a process for preparing the nanoparticles, to their use as fillers in coating materials, plastics, foams and nail varnishes, and to dispersions which comprise the nanoparticles.Type: GrantFiled: February 14, 2006Date of Patent: January 5, 2010Assignee: BYK-Chemie GmbHInventors: Ulrich Nolte, Alfred Bubat, Karlheinz Haubennestel, Thomas Sawitowski
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Patent number: 7585993Abstract: The invention relates to organosilane-modified polysiloxanes of the following formula: The invention additionally relates to the use of the organo-modified polysiloxanes for surface coating, and to their preparation.Type: GrantFiled: February 14, 2006Date of Patent: September 8, 2009Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Alfred Bubat, Daniela Betcke, Juergen Hartmann
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Patent number: 7582701Abstract: The invention relates to an unsaturated polyester resin mixture which can be cured by applying external pressure and which encompasses at least the following components: a) an unsaturated polyester resin whose weight-average molar mass is from 500 to 5000 g/mol; b) an ethylenically unsaturated monomer; c) a shrinkage-reducing component; d) an inert filler; and e) a reinforcing fibre; and f) from 0.01 to 1% by weight of a block copolymer, based on the total weight of the unsaturated polyester resin mixture comprising reinforcing fibre, where the block copolymer encompasses at least one A block and encompasses at least one B block, where the A block contains at least one amine-containing, ethylenically unsaturated monomer; and the B block contains at least one alkyl- and/or phenyl-containing, ethylenically unsaturated monomer, and is free from amine-containing, ethylenically unsaturated monomers.Type: GrantFiled: March 3, 2006Date of Patent: September 1, 2009Assignee: BYK-Chemi GmbHInventors: Bernd Goebelt, Gerard Reestman, Karlheinz Haubennestel, Barbel Gertzen, Michael Sommer
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Patent number: 7504469Abstract: The invention relates to polyester-modified poly-siloxanes of the general formula (I) where A is an alkyl group having 1 to 8 carbon atoms, Z is an aliphatic group having 1 to 14 carbon atoms, R is an aliphatic and/or cycloaliphatic and/or aromatic poly-ester group containing at least 3 ?and having a weight-average molecular weight of 200 to 4000 g/mol, with no Zerewitinoff hydrogen atoms, Q is a group which contains no Zerewitinoff hydrogen atoms and is free from reactive carbon-carbon multiple bonds, m is 3 to 200 and o+n=2, with both o and n being other than zero. The invention further relates to the use of the compounds of the invention in thermoplastics, moulding compounds and coating materials.Type: GrantFiled: July 8, 2005Date of Patent: March 17, 2009Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Alfred Bubat, Hans-Willi Boegershausen, Wolfgang Griesel, Ulrich Nolte
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Dispersing Agent for Pigment Concentrates, Its Use and Masterbatches Comprising the Dispersing Agent
Publication number: 20080319123Abstract: The invention relates to polyesters which contain carboxy groups and which are used as dispersing agents for pigment concentrates for the colouring of thermoplastics, and to a process for their preparation. The invention further relates to the use of the polyesters as dispersing agents, and also to masterbatches which comprise pigments, thermoplastics and the polyesters.Type: ApplicationFiled: March 10, 2005Publication date: December 25, 2008Inventors: Karlheinz Haubennestel, Afred Bubat, Udo Krappe, Barbel Gertzen, Joerg Garlinsky, Wolfgang Pritschins -
Patent number: 7432329Abstract: The present invention relates to dispersing agents for pigments or extenders based on acrylic acid alkyl ester polymers, wherein at least part of the ester groups of the polymers is reacted to form acid amides, wherein the dispersing agent is obtainable by the aminolysis of ester groups of the polymers by means of amines, such as amino alkylenyl heterocycles. The invention also relates to the use of the dispersing agents according to the invention for the production of pigment concentrates and coating media, and to a process for producing the dispersing agents.Type: GrantFiled: July 21, 2003Date of Patent: October 7, 2008Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Wolfgang Pritschins, Ulrich Orth
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Publication number: 20080132671Abstract: The invention relates to amide-containing polymers of the general formula (I) A-X-CO—(CH2)2—NR1-R2-[Y-R3-Y-R4)a-B ??(I) and also their salts with carboxylic acids, phosphoric esters and sulphonic acids. The invention further relates to processes for preparing the amide-containing polymers and to their use as rheology control agents.Type: ApplicationFiled: November 16, 2007Publication date: June 5, 2008Inventors: Karlheinz Haubennestel, Stefan Moessmer, Ulrich Orth, Daniela Betcke