Patents by Inventor Marijan Vucak
Marijan Vucak 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: 11760874Abstract: A composite powder containing microstructured particles having inhibitory calcium carbonate, obtainable by means of a method in which large particles are combined with small particles, wherein the large particles have an average particle diameter within the range from 0.1 pm to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or distributed inhomogeneously within the large particles, the small particles comprise calcium carbonate particles, the small particles have an average particle size within the range from 0.01 pm to 1.0 mm, wherein the small particles are obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid.Type: GrantFiled: September 7, 2017Date of Patent: September 19, 2023Assignee: Schaefer Kalk GmbH & Co. KGInventor: Marijan Vucak
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Patent number: 11548998Abstract: The use of inhibitory calcium carbonate as additive for a composition containing at least one polymer different from cellulose, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid. Further described is a composition containing at least one polymer different from cellulose and inhibitory calcium carbonate.Type: GrantFiled: September 7, 2017Date of Patent: January 10, 2023Assignee: Schaefer Kalk GmbH & Co. KGInventor: Marijan Vucak
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Patent number: 11471566Abstract: Implant comprising composite powder with microstructured particles, obtained by a process in which large particles are bonded to small particles, wherein the large particles have a mean particle diameter in the range from 10 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or are non-homogeneously spread within the large particles, the small particles comprise a calcium salt, the small particles have a mean particle size in the range from 0.01 ?m to 1.0 mm, wherein the particles of the composite powder have a mean particle size d50 in the range from 10 ?m to less than 200 ?m and the fine fraction of the composite powder is less than 50 vol %.Type: GrantFiled: August 11, 2017Date of Patent: October 18, 2022Assignee: Karl Leibinger Medizintechnik GmbH & Co. KGInventors: Frank Reinauer, Siegmund Luger, Marijan Vucak
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Patent number: 11441008Abstract: A composite powder containing microstructured particles obtainable by means of a method in which large particles are combined with small particles, wherein the large particles have an average particle diameter within the range from 0.1 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or distributed inhomogeneously within the large particles, the small particles comprise sphere-shaped precipitated calcium carbonate particles having an average diameter within the range from 0.05 ?m to 50.0 ?m, wherein the sphere-shaped calcium carbonate particles are obtainable by means of a method in which a. a calcium hydroxide suspension is initially charged, b. carbon dioxide or a carbon dioxide-containing gas mixture is introduced into the suspension from step a. and c. resultant calcium carbonate particles are separated off, with 0.3% by weight to 0.Type: GrantFiled: September 7, 2017Date of Patent: September 13, 2022Assignee: Schaefer Kalk GmbH & Co. KGInventor: Marijan Vucak
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Patent number: 11352491Abstract: A composite powder containing microstructured particles obtainable by means of a method in which large particles are combined with small particles, wherein the large particles have an average particle diameter within the range from 10 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or distributed inhomogeneously within the large particles, the small particles comprise a calcium salt, the small particles have an average particle size within the range from 0.01 ?m to 1.0 mm, wherein the particles of the composite powder have an average particle size d50 within the range from 10 ?m to less than 200 ?m, and the fine-particle fraction of the composite powder is less than 50% by volume.Type: GrantFiled: September 7, 2017Date of Patent: June 7, 2022Assignee: Schaefer Kalk GmbH & Co. KGInventor: Marijan Vucak
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Patent number: 11318229Abstract: The invention relates to a method for producing an implant which contains a composite powder comprising microstructured particles, obtainable by a method in which large polymer particles are bonded to small spherical calcium carbonate particles. Said calcium carbonate particles can be obtained by a method with the following steps: a) providing a calcium hydroxide suspension, b) introducing carbon dioxide or a carbon dioxide-containing gas mixture into the suspension from step a), and c) separating the calcium carbonate particles formed, while adding 0.3 wt.-% to 0.7 wt.-% of at least one amino trialkylene phosphonic acid.Type: GrantFiled: August 17, 2017Date of Patent: May 3, 2022Assignee: Karl Leibinger Medizintechnik GmbH & Co. KGInventors: Frank Reinauer, Siegmund Luger, Marijan Vucak
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Publication number: 20210292548Abstract: A composite powder containing microstructured particles having inhibitory calcium carbonate, obtainable by means of a method in which large particles are combined with small particles, wherein the large particles have an average particle diameter within the range from 0.1 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or distributed inhomogeneously within the large particles, the small particles comprise calcium carbonate particles, the small particles have an average particle size within the range from 0.01 ?m to 1.0 mm, wherein the small particles are obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid.Type: ApplicationFiled: September 7, 2017Publication date: September 23, 2021Inventor: Marijan Vucak
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Patent number: 11124654Abstract: The invention relates to a method for producing an implant by means of a composite powder having micro structured particles having inhibiting calcium carbonate, wherein the composite powder is obtained by a method in that large polymer particles are joined to small calcium carbonate particles, wherein the calcium carbonate particles are obtained by a method in that calcium carbonate particles are coated with a composition which, in each case based on the total weight thereof, comprises a mixture of at least 0.1 wt % of at least one calcium complexing agent and/or at least one conjugated base which is an alkaline metal or calcium salt of a weak acid, together with at least 0.1 wt % of at least one weak acid.Type: GrantFiled: August 17, 2017Date of Patent: September 21, 2021Assignee: Karl Leibinger Medizintechnik GmbH & Co. KGInventors: Frank Reinauer, Siegmund Luger, Marijan Vucak
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Publication number: 20210277227Abstract: A composite powder containing microstructured particles obtainable by means of a method in which large particles are combined with small particles, wherein the large particles have an average particle diameter within the range from 10 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or distributed inhomogeneously within the large particles, the small particles comprise a calcium salt, the small particles have an average particle size within the range from 0.01 ?m to 1.0 mm, wherein the particles of the composite powder have an average particle size d50 within the range from 10 ?m to less than 200 ?m, and the fine-particle fraction of the composite powder is less than 50% by volume.Type: ApplicationFiled: September 7, 2017Publication date: September 9, 2021Inventor: Marijan Vucak
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Publication number: 20210179814Abstract: The use of inhibitory calcium carbonate as additive for a composition containing at least one polymer different from cellulose, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid. Further described is a composition containing at least one polymer different from cellulose and inhibitory calcium carbonate, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid. Preferred application areas of the composition encompass its use in food packaging, in products for agriculture and horticulture, in catering articles, in office articles, in medical technology products, in composites and/or in 3D-printing methods.Type: ApplicationFiled: September 7, 2017Publication date: June 17, 2021Inventor: Marijan Vucak
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Patent number: 10633520Abstract: A dry liquid, comprising at least one additive having a molar mass greater than 20 g/mol, a melting temperature less than 500° C., and a boiling point, measured at 101325 Pa, greater than 100° C. and at least one calcium carbonate as a carrier material, wherein the calcium carbonate is precipitated calcium carbonate. The dry liquid is suitable in particular for introducing at least one preferably fluid additive into a chemical composition.Type: GrantFiled: July 28, 2011Date of Patent: April 28, 2020Assignee: Schaefer Kalk GmbH & Co. KGInventors: Roland Vogel, Marijan Vucak, Christoph Nover
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Publication number: 20200009297Abstract: Implant comprising composite powder with microstructured particles, obtained by a process in which large particles are bonded to small particles, wherein the large particles have a mean particle diameter in the range from 10 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or are non-homogeneously spread within the large particles, the small particles comprise a calcium salt, the small particles have a mean particle size in the range from 0.01 ?m to 1.0 mm, wherein the particles of the composite powder have a mean particle size d50 in the range from 10 ?m to less than 200 ?m and the fine fraction of the composite powder is less than 50 vol %.Type: ApplicationFiled: August 11, 2017Publication date: January 9, 2020Inventors: Frank REINAUER, Siegmund LUGER, Marijan VUCAK
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Publication number: 20190351104Abstract: The invention relates to the use of inhibiting calcium carbonate as an additive for a composition used in an implant, the composition containing at least one polymer different from cellulose, and the inhibiting calcium carbonate being obtainable by a method in which calcium carbonate particles are coated with a composition that contains, each relative to its total weight, a mixture of at least 0.1 wt.-% of at least one calcium complexing agent and/or at least one conjugated base which is an alkali metal salt or calcium salt of a weak acid, together with at least 0.1 wt.-% of at least one weak acid. The invention further relates to an implant comprising a composition that contains at least one polymer different from cellulose and inhibiting calcium carbonate, said inhibiting calcium carbonate being obtainable by a method in which calcium carbonate particles are coated with a composition that contains, each relative to its total weight, a mixture of at least 0.1 wt.Type: ApplicationFiled: August 17, 2017Publication date: November 21, 2019Inventors: Frank REINAUER, Siegmund LUGER, Marijan VUCAK
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Publication number: 20190216980Abstract: The invention relates to a method for producing an implant which contains a composite powder comprising microstructured particles, obtainable by a method in which large polymer particles are bonded to small spherical calcium carbonate particles. Said calcium carbonate particles can be obtained by a method with the following steps: a) providing a calcium hydroxide suspension, b) introducing carbon dioxide or a carbon dioxide-containing gas mixture into the suspension from step a), and c) separating the calcium carbonate particles formed, while adding 0.3 wt.-% to 0.7 wt.-% of at least one amino trialkylene phosphonic acid.Type: ApplicationFiled: August 17, 2017Publication date: July 18, 2019Inventors: Frank Reinauer, Siegmund Luger, Marijan Vucak
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Publication number: 20190211179Abstract: A composite powder containing microstructured particles obtainable by means of a method in which large particles are combined with small particles, wherein the large particles have an average particle diameter within the range from 0.1 ?m to 10 mm, the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and/or distributed inhomogeneously within the large particles, the small particles comprise sphere-shaped precipitated calcium carbonate particles having an average diameter within the range from 0.05 ?m to 50.0 ?m, wherein the sphere-shaped calcium carbonate particles are obtainable by means of a method in which a. a calcium hydroxide suspension is initially charged, b. carbon dioxide or a carbon dioxide-containing gas mixture is introduced into the suspension from step a. and c. resultant calcium carbonate particles are separated off, with 0.3% by weight to 0.Type: ApplicationFiled: September 7, 2017Publication date: July 11, 2019Inventor: Marijan Vucak
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Publication number: 20190194468Abstract: The invention relates to a method for producing an implant by means of a composite powder having micro structured particles having inhibiting calcium carbonate, wherein the composite powder is obtained by a method in that large polymer particles are joined to small calcium carbonate particles, wherein the calcium carbonate particles are obtained by a method in that calcium carbonate particles are coated with a composition which, in each case based on the total weight thereof, comprises a mixture of at least 0.1 wt % of at least one calcium complexing agent and/or at least one conjugated base which is an alkaline metal or calcium salt of a weak acid, together with at least 0.1 wt % of at least one weak acid.Type: ApplicationFiled: August 17, 2017Publication date: June 27, 2019Inventors: Frank Reinauer, Siegmund Luger, Marijan Vucak
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Patent number: 9775377Abstract: A tobacco product wrapping, material comprising composite particles is described, the composite particles being obtainable by a method in which an aqueous suspension containing calcium carbonate particles is prepared, and a metal salt comprising an aluminum cation is added. The metal salt is able to form a basic metal component in the suspension; and has a solubility of greater than 9.0 mg/L in water, measured at the pH value of the prepared suspension and at a temperature of 20° C. The invention further relates to a method for the production of the tobacco product wrapping material, the use of such tobacco product wrapping material for the production of tobacco products, and the tobacco products produced with the tobacco product wrapping material.Type: GrantFiled: October 31, 2014Date of Patent: October 3, 2017Assignee: Julius Glatz GMBHInventors: Thomas Fritzsching, Christoph Nover, Marijan Vucak
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Patent number: 9707734Abstract: Microstructured composite particles obtainable by a process in which large particles are bonded to small particles. The composite particles are preferably used as an additive, especially as a polymer additive, as an additive or starting material for the production of components, for applications in medical technology and/or in microtechnology and/or for the production of foamed articles.Type: GrantFiled: March 16, 2012Date of Patent: July 18, 2017Assignee: Schaefer Kalk GmbH & Co. KGInventors: Marijan Vucak, Christoph Nover
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Publication number: 20150114414Abstract: A tobacco product wrapping, material comprising composite particles is described, the composite particles being obtainable by a method in which an aqueous suspension containing calcium carbonate particles is prepared, and a metal salt comprising an aluminum cation is added. The metal salt is able to form a basic metal component in the suspension; and has a solubility of greater than 9.0 mg/L in water, measured at the pH value of the prepared suspension and at a temperature of 20° C. The invention further relates to a method for the production of the tobacco product wrapping material, the use of such tobacco product wrapping material for the production of tobacco products, and the tobacco products produced with the tobacco product wrapping material.Type: ApplicationFiled: October 31, 2014Publication date: April 30, 2015Inventors: Thomas Fritzsching, Christoph Nover, Marijan Vucak
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Patent number: 8906996Abstract: Stabilized, spherical, amorphous calcium carbonate particles having a mean particle diameter in the range from 0.05 ?m to 2.0 ?m and a water content of at most 5.0 wt % measured as residual moisture at 200° C., wherein the calcium carbonate particles comprise at least one substance which has a molar mass greater than 100 g/mol and satisfies the formula R—Xn, wherein the radical R represents a radical comprising at least one carbon atom, the radical X represents a group which comprises at least one oxygen atom and at least one carbon atom, sulphur atom, phosphorus atom and/or nitrogen atom and n preferably constitutes a whole number in the range from 1 to 20, the proportion of crystalline calcium carbonate is less than 30 wt %, and the specific surface area of the calcium carbonate particles is at most 20 m2/g.Type: GrantFiled: July 28, 2011Date of Patent: December 9, 2014Assignee: Schaefer Kalk GmbH & Co. KGInventors: Marijan Vucak, Christoph Nover