Patents by Inventor Oliver Struck
Oliver Struck 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: 20240059088Abstract: The invention relates to a method of printing onto the surface of a substrate, which method comprises a. coating a donor surface with individual particles, b. treating the surface of the substrate to render the affinity of the particles to at least selected regions of the surface of the substrate greater than the affinity of the particles to the donor surface, and c. contacting the surface of the substrate with the donor surface to cause particles to transfer from the donor surface only to the treated selected regions of the surface of the substrate, thereby exposing regions of the donor surface from which particles are transferred to the corresponding regions on the substrate, and wherein that at least 50 wt.Type: ApplicationFiled: December 22, 2021Publication date: February 22, 2024Inventors: Oliver BEDFORD, Dieter PRÖLSS, Oliver STRUCK, Maximilian BOEHMER
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Publication number: 20230190597Abstract: An embossed effect pigment includes a metallic substrate in platelet form with embossed structure having a periodic pattern with diffractive elements, said substrate having been produced by PVD methods, wherein the substrate has an elemental metal content of 80% to 100% by weight, based on the substrate, and wherein the effect pigment has been treated with a leafing additive for surface modification. A method of manufacture of an embossed effect pigment includes suspending a metallic substrate in in at least one solvent, adding a leafing additive to the suspension including the metallic substrate in the at least one solvent and stirring the suspension including the leafing additive, and separating the embossed effect pigment from the at least one solvent.Type: ApplicationFiled: February 15, 2023Publication date: June 22, 2023Inventors: Christine Schilling, Ann-Katrin Gebhard, Ulrich Schmidt, Oliver Struck
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Patent number: 11617707Abstract: The invention relates to a nail varnish composition comprising: a) an embossed effect pigment comprising a metallic substrate in platelet form with embossed structure having a periodic pattern with diffractive elements, said substrate having been produced by PVD methods, and optionally at least one coating applied to the substrate, wherein the substrate has an elemental metal content of 80% to 100% by weight, based on the substrate, and wherein the effect pigment has been treated with a leafing additive for surface modification, b) at least one hydrocarbon resin as binder, c) at least one solvent or solvent mixture and d) optionally further auxiliaries. The invention further relates to a process for producing the nail varnish composition.Type: GrantFiled: October 18, 2018Date of Patent: April 4, 2023Assignee: ECKART GMBHInventors: Christine Schilling, Ann-Katrin Gebhard, Ulrich Schmidt, Oliver Struck
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Publication number: 20200246232Abstract: The invention relates to a nail varnish composition comprising: a) an embossed effect pigment comprising a metallic substrate in platelet form with embossed structure having a periodic pattern with diffractive elements, said substrate having been produced by PVD methods, and optionally at least one coating applied to the substrate, wherein the substrate has an elemental metal content of 80% to 100% by weight, based on the substrate, and wherein the effect pigment has been treated with a leafing additive for surface modification, b) at least one hydrocarbon resin as binder, c) at least one solvent or solvent mixture and d) optionally further auxiliaries. The invention further relates to a process for producing the nail varnish composition.Type: ApplicationFiled: October 18, 2018Publication date: August 6, 2020Inventors: Christine Schilling, Ann-Katrin Gebhard, Ulrich Schmidt, Oliver Struck
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Patent number: 10557037Abstract: The present invention relates to a particularly effective protective coating for metallic objects, the coating method, and the special applications thereof. The particularly high protective effect is achieved by the adaptation of the inorganic fraction and the organic polymer fraction of the coating to the specific surface of the object. Further adjustments of the coating can be used for further optimization, for example of the protection properties or other product properties.Type: GrantFiled: January 28, 2016Date of Patent: February 11, 2020Assignee: ECKART GMBHInventors: Simone Kreppner, Oliver Bedford, Oliver Struck, Ralph Schneider
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Publication number: 20180021240Abstract: The present invention relates to a particularly effective protective coating for metallic objects, the coating method, and the special applications thereof. The particularly high protective effect is achieved by the adaptation of the inorganic fraction and the organic polymer fraction of the coating to the specific surface of the object. Further adjustments of the coating can be used for further optimization, for example of the protection properties or other product properties.Type: ApplicationFiled: January 28, 2016Publication date: January 25, 2018Inventors: Simone Stein-Hofmann, Oliver Bedford, Oliver Struck, Ralph Schneider
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Patent number: 9777160Abstract: The invention relates to copper-containing metal pigments, wherein the copper-containing metal pigments have an elemental copper content of at least 50 wt.-%, relative to the total weight of the uncoated copper-containing metal pigment, wherein the copper-containing metal pigments have at least one enveloping metal oxide layer and at least one enveloping chemically non-reactive plastic layer, wherein the sum of the amounts of the at least one chemically non-reactive plastic layer and of the at least one metal oxide layer lies in a range of from 10 to 50 wt.-%, relative to the weight of the uncoated metal pigment, and the weight ratio of the at least one metal oxide layer to the at least one chemically non-reactive plastic layer lies in a range of from 1:2 to 1:20. The invention furthermore relates to a method for producing these pigments and the use thereof.Type: GrantFiled: March 21, 2012Date of Patent: October 3, 2017Assignee: ECKART GMBHInventors: Oliver Struck, Phu Qui Nguyen, Dirk Schumacher, Sebastian Hoefener
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Patent number: 9624378Abstract: The present invention concerns coated metal pigments, the production thereof, and the use thereof. The present invention also concerns coating agents containing the aforementioned metal pigments, as well as objects coated with such coating agents.Type: GrantFiled: December 11, 2014Date of Patent: April 18, 2017Assignee: ECKART GMBHInventors: Frank Hippmann, Sebastian Hoefener, Oliver Struck, Oliver Bedford, Dirk Schumacher
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Publication number: 20160304721Abstract: The present invention concerns coated metal pigments, the production thereof, and the use thereof. The present invention also concerns coating agents containing the aforementioned metal pigments, as well as objects coated with such coating agents.Type: ApplicationFiled: December 11, 2014Publication date: October 20, 2016Applicant: Eckart GmbHInventors: Frank Hippmann, Sebastian Hoefener, Oliver Struck, Oliver Bedford, Dirk Schumacher
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Publication number: 20160168388Abstract: A metallic pigment is provided including a metallic substrate coated with a hybrid inorganic/organic layer, wherein the hybrid inorganic/organic layer includes a network of an inorganic component and at least one organofunctional silane component having organic functionalities which have not been polymerised. Also, a method of coating a metallic substrate is provided including: combining the metallic substrate with a surfactant and an organofunctional silane and an inorganic component precursor to form a hydrophobic phase; combining the hydrophobic phase with a hydrophilic liquid to form an emulsion including said hydrophobic phase containing the metallic substrate, the organofunctional silane and the inorganic component precursor dispersed in a continuous hydrophilic phase; adding a catalyst to the emulsion; and forming a hybrid organic/inorganic layer from the organofunctional silane and said inorganic component precursor on the metallic substrate to produce a coated metallic substrate.Type: ApplicationFiled: July 29, 2014Publication date: June 16, 2016Inventors: Christophe Jean Alexandre Barbe, Kim Suzanne Finnie, Oliver Dieter Bedford, Oliver Struck
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Patent number: 9260584Abstract: A coated wet-chemically oxidized aluminum effect pigment is provided having at least one metal oxide layer having at least one metal oxide which differs from aluminum oxide and an enveloping organic polymer layer, wherein the weight ratio of the metal oxide of the metal oxide layer to aluminum oxide in the wet-chemically produced aluminum oxide layer of uncoated wet-chemically oxidized aluminum effect pigment is in a range of from 1:1 to 1:40. Also, a method for the production of the pigment is provided.Type: GrantFiled: November 2, 2012Date of Patent: February 16, 2016Assignee: Eckart GmBHInventors: Dirk Schumacher, Michael Gruener, Sebastian Hoefener, Oliver Struck
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Patent number: 9005397Abstract: The invention relates to an aqueous polymer dispersion comprising an anionic water-soluble dispersion polymer comprising in polymerized form a monomer mixture comprising (i) one or more anionic monomers, (ii) a first non-ionic vinyl monomer which is acrylamide, and (iii) at least one second non-ionic vinyl monomer; a water-soluble salt and a stabilizer, wherein the water soluble salt is present in an amount of at least 2.0% by weight, based on the total weight of the dispersion. The invention further relates to a process for producing the aqueous polymer dispersion, use of the aqueous polymer dispersion as a flocculating agent in papermaking or for water purification, and a process for producing paper which comprises adding one or more drainage and retention aids comprising the aqueous polymer dispersion to an aqueous suspension containing cellulosic fibers and then dewatering the obtained suspension.Type: GrantFiled: August 19, 2009Date of Patent: April 14, 2015Assignees: Akzo Nobel N.V., Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V.Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd-Reiner Paulke
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Publication number: 20150098972Abstract: A coated wet-chemically oxidized aluminum effect pigment is provided having at least one metal oxide layer having at least one metal oxide which differs from aluminum oxide and an enveloping organic polymer layer, wherein the weight ratio of the metal oxide of the metal oxide layer to aluminum oxide in the wet-chemically produced aluminum oxide layer of uncoated wet-chemically oxidized aluminum effect pigment is in a range of from 1:1 to 1:40. Also, a method for the production of the pigment is provided.Type: ApplicationFiled: November 2, 2012Publication date: April 9, 2015Inventors: Dirk Schumacher, Michael Gruener, Sebastian Hoefener, Oliver Struck
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Patent number: 8741999Abstract: The present invention relates to a process for preparing a polymer dispersion comprising polymerising one or more water soluble anionic monomers (m1) and one or more non-ionic vinyl monomers (m2) present in a reaction mixture further comprising a polymeric stabiliser (B) and a polymeric co-stabiliser (C). It further relates to a polymer dispersion, the use of the polymer dispersion and a process for producing paper.Type: GrantFiled: September 28, 2011Date of Patent: June 3, 2014Assignees: Akzo Nobel Coatings International N.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd-Reiner Paulke, Mathias Hahn
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Publication number: 20140050768Abstract: The invention relates to copper-containing metal pigments, wherein the copper-containing metal pigments have an elemental copper content of at least 50 wt. %, relative to the total weight of the uncoated copper-containing metal pigment, wherein the copper-containing metal pigments have at least one enveloping metal oxide layer and at least one enveloping chemically non-reactive plastic layer, wherein the sum of the amounts of the at least one chemically non-reactive plastic layer and of the at least one metal oxide layer lies in a range of from 10 to 50 wt. %, relative to the weight of the uncoated metal pigment, and the weight ratio of the at least one metal oxide layer to the at least one chemically non-reactive plastic layer lies in a range of from 1:2 to 1:20. The invention furthermore relates to a method for producing these pigments and the use thereof.Type: ApplicationFiled: March 21, 2012Publication date: February 20, 2014Applicant: ECKART GMBHInventors: Oliver Struck, Phu Qui Nguyen, Dirk Schumacher, Sebastian Hofener
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Publication number: 20120022203Abstract: The present invention relates to a process for preparing a polymer dispersion comprising polymerising one or more water soluble anionic monomers (m1) and one or more non-ionic vinyl monomers (m2) present in a reaction mixture further comprising a polymeric stabiliser (B) and a polymeric co-stabiliser (C). It further relates to a polymer dispersion, the use of the polymer dispersion and a process for producing paper.Type: ApplicationFiled: September 28, 2011Publication date: January 26, 2012Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V., AKZO NOBEL N.V.Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd Paulke, Mathias Hahn
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Patent number: 8039550Abstract: The present invention relates to a process for preparing a polymer dispersion comprising polymerising one or more water soluble anionic monomers (m1) and one or more non-ionic vinyl monomers (m2) present in a reaction mixture further comprising a polymeric stabiliser (B) and a polymeric co-stabiliser (C). It further relates to a polymer dispersion, the use of the polymer dispersion and a process for producing paper.Type: GrantFiled: May 19, 2006Date of Patent: October 18, 2011Assignees: Akzo Nobel N.V., Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung E.V.Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd Paulke, Mathias Hahn
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Publication number: 20110174453Abstract: The invention relates to an aqueous polymer dispersion comprising an anionic water-soluble dispersion polymer comprising in polymerized form a monomer mixture comprising (i) one or more anionic monomers, (ii) a first non-ionic vinyl monomer which is acrylamide, and (iii) at least one second non-ionic vinyl monomer; a water-soluble salt and a stabilizer, wherein the water soluble salt is present in an amount of at least 2.0% by weight, based on the total weight of the dispersion. The invention further relates to a process for producing the aqueous polymer dispersion, use of the aqueous polymer dispersion as a flocculating agent in papermaking or for water purification, and a process for producing paper which comprises adding one or more drainage and retention aids comprising the aqueous polymer dispersion to an aqueous suspension containing cellulosic fibres and then dewatering the obtained suspension.Type: ApplicationFiled: August 19, 2009Publication date: July 21, 2011Applicants: AKZO NOBEL B.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd-Reiner Paulke
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Publication number: 20110054192Abstract: The present invention pertains to a process for the preparation of an alkenyl-substituted cyclic anhydride compound comprising the steps of subjecting one or more olefinically unsaturated C6-C28 hydrocarbons of which at least 30% by weight is alpha-olefin to a double bond isomerization step by contacting them with a catalyst comprising an alkali metal on a carrier, and reacting the resulting isomehzed olefinic C6-C28 hydrocarbons with a cyclic anhydride of an unsaturated dicarboxylic acid to form the alkenyl-substituted cyclic anhydride compound. Furthermore, it pertains to the thus obtained alkenyl-substituted cyclic anhydride and to its use as a paper additive.Type: ApplicationFiled: April 24, 2009Publication date: March 3, 2011Applicant: AKZO NOBEL N.V.Inventors: Aaldert Johannes De Jong, Martin Werner, Oliver Struck
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Patent number: 7576162Abstract: The invention relates to a process for the production of a nitrogen containing epihalohydrin polymer involving reaction of a nitrogen-containing precursor selected from the group consisting of amines, poly-amines, polyaminoamides, polyurethanes and mixtures thereof with epihalohydrin to form of a solution of said epihalohydrin polymer, the process comprising a purification step to remove organic impurities from the formed solution of the epihalohydrin polymer, said purification step comprising contacting the solution of the epihalohydrin polymer with a fluid under liquid, supercritical or near supercritical conditions to effect extraction of organic impurities from the solution of the epihalohydrin polymer to the fluid, withdrawing fluid enriched in organic impurities from the solution of the epihalohydrin polymer, and separating extracted impurities from the withdrawn fluid, wherein the fluid comprises a substance that at atmospheric pressure and room temperature (about 25° C.) is gaseous.Type: GrantFiled: June 21, 2006Date of Patent: August 18, 2009Assignees: Akzo Nobel N.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.Inventors: Oliver Struck, Andreas Pingel-Keuth, Christian Przybyla, Ulrich Fehrenbacher, Thomas Hirth, Steffen Unser