Patents by Inventor Hilmar Vidarsson
Hilmar Vidarsson 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: 20230220027Abstract: The invention relates to the use of a growth factor composition comprising one or more recombinant animal growth factor and one or more plant seed protein for cultivating cells for the production of cell culture meat. The invention also relates to a method of cultivating cells for the production of cell culture meat using a growth factor composition that comprises one or more recombinant animal growth factor and one or more plant seed protein.Type: ApplicationFiled: June 7, 2021Publication date: July 13, 2023Applicant: ORF LIFTAEKNI HFInventors: Bjorn Larus ORVAR, Arna RUNARSDOTTIR, Jon Mar BJORNSSON, Hilmar VIDARSSON
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Publication number: 20220165463Abstract: There is provided solid composite material comprising an alloy based on manganese, aluminum and optionally carbon, and dispersed nanoparticles made from a material X, as well as a method of manufacturing the same. The material X is different from manganese, aluminum, carbon or a mixture thereof and satisfying the following requirements the melting temperature of the material X is 1400° C. or higher, preferably 1500° C. or higher; and the material X comprises a metal. The composite material is suitable as a magnetic material or as a precursor of a magnetic material, and allows obtaining improved magnetic properties as compared to existing alloys based on manganese, aluminum and optionally carbon due the presence of the nanoparticles. A magnetic material in shaped form comprising the composite material and an electric or electronic device comprising the magnetic material are also part of the invention.Type: ApplicationFiled: February 27, 2020Publication date: May 26, 2022Applicant: Höganäs AB (Publ)Inventors: Hilmar VIDARSSON, Björn SKÅRMAN, Martin HÄGGBLAD SAHLBERG, Samrand SHAFEIE
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Publication number: 20220041449Abstract: The present invention relates to a method of producing an iron containing compound, iron containing precursor, or iron containing aqueous solution comprising the steps of: providing direct reduced iron; dissolving the direct reduced iron in organic and/or inorganic acids to provide an iron containing aqueous solution, wherein insoluble impurities of the direct reduced iron are maintained in solid form throughout the dissolution process, to obtain an iron containing aqueous solution with suspended insoluble impurities; separating the said insoluble impurities from the iron containing aqueous solution obtaining a purified iron containing aqueous solution; and optionally solidifying said purified iron containing aqueous solution to provide the iron containing compound or iron containing precursor, by drying. The present invention further relates to iron containing compounds, iron containing precursors, and iron containing aqueous solutions, and their use in battery components.Type: ApplicationFiled: December 3, 2019Publication date: February 10, 2022Applicant: Höganäs AB (Publ)Inventors: Per-Olof LARSSON, Björn SKÅRMAN, Hilmar VIDARSSON
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Patent number: 10611638Abstract: A process for manufacturing a compound in powder form, wherein said compound is the reaction product of (i) at least one metal and/or metalloid, and (ii) at least one further element that is more electronegative than the metal and/or metalloid, which process includes steps of: mixing at least one oxide of said at least one metal and/or metalloid with a reducing agent including Ca or Mg granules or powder, and/or calcium hydride or magnesium hydride in granule or powder form, to form a mixture; exposing the mixture to a source of said at least one further element; maintaining said mixture under a H2 atmosphere at a temperature of from 950° C. to 1500° C. for 1-10 hours; and, recovering said compound in powder form; wherein said at least one further element is selected from carbon, nitrogen, boron, silicon and mixtures thereof. A compound in powder form obtainable by such a process.Type: GrantFiled: March 20, 2015Date of Patent: April 7, 2020Assignee: HÖGANÄS AB (PUBL)Inventors: Gorgees Adam, Hilmar Vidarsson
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Patent number: 9816164Abstract: An iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. The boron-iron alloy powder suitable for remediation of polluted soil or waters may have 0.1-40% by weight of boron and inevitable impurities up to a content of 10% by weight. Further, a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.Type: GrantFiled: September 18, 2013Date of Patent: November 14, 2017Assignee: HÖGANÄS AB (PUBL)Inventors: Per-Olof Larsson, Sigurd Berg, Hilmar Vidarsson, Leen Bastiaens, Milica Limirovic
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Publication number: 20170081196Abstract: A process for manufacturing a compound in powder form, wherein said compound is the reaction product of (i) at least one metal and/or metalloid, and (ii) at least one further element that is more electronegative than the metal and/or metalloid, which process includes steps of: mixing at least one oxide of said at least one metal and/or metalloid with a reducing agent including Ca or Mg granules or powder, and/or calcium hydride or magnesium hydride in granule or powder form, to form a mixture; exposing the mixture to a source of said at least one further element; maintaining said mixture under a H2 atmosphere at a temperature of from 950° C. to 1500° C. for 1-10 hours; and, recovering said compound in powder form; wherein said at least one further element is selected from carbon, nitrogen, boron, silicon and mixtures thereof. A compound in powder form obtainable by such a process.Type: ApplicationFiled: March 20, 2015Publication date: March 23, 2017Applicant: HÖGANÄS AB (PUBL)Inventors: Gorgees ADAM, Hilmar VIDARSSON
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Publication number: 20160089724Abstract: A process for manufacturing metal containing powder, the process including the steps of: (a) mixing at least one metal oxide powder with Ca or Mg granules and/or calcium hydride in granule or powder form to form a mixture; (b) maintaining said mixture under an H2 atmosphere, at a temperature between 1000° C. and 1500° C. for 1-10 hours, followed by: (c) recovering metal containing powder. Metal hydride powder may be recovered. The process may further include between steps (b) and (c): (d) switching the H2 atmosphere to an Ar atmosphere and maintaining the mixture thereunder for a period of 20 minutes to 5 hours, followed by: (e) cooling under Ar atmosphere, wherein metal powder is recovered in step (c).Type: ApplicationFiled: May 21, 2014Publication date: March 31, 2016Applicant: HÖGANÄ AB (PUBL)Inventors: Gorgees ADAM, Hilmar VIDARSSON
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Publication number: 20150232967Abstract: An iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. The boron-iron alloy powder suitable for remediation of polluted soil or waters may have 0.1-40% by weight of boron and inevitable impurities up to a content of 10% by weight. Further, a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.Type: ApplicationFiled: September 18, 2013Publication date: August 20, 2015Applicant: HOGANAS AB (PUBL)Inventors: Per-Olof Larsson, Sigurd Berg, Hilmar Vidarsson, Leen Bastiaens, Milica Velimirovic
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Patent number: 8992659Abstract: A metal powder composition including: an iron or iron-based powder composition, and a lubricating combination including a substance A, a substance B, and a substance C; wherein: substance A is a polyolefin, substance B is chosen from a group of saturated and unsaturated fatty acid amides, saturated and unsaturated fatty acid bisamides, saturated fatty alcohols and fatty acid glycerols, and substance C is an amide oligomer having a molecular weight between 500 g/mol and 30 000 g/mol; and wherein the amounts of respective substances A, B and C in weight percent of the iron or iron-based powder composition are: 0.05?A+B<0.4 wt %, C?0.3 wt %, A+B+C?2.0 wt %, and the relation between substances A and B is: B/A>0.5. Also, a method of producing a metal powder composition and a method for producing a green component.Type: GrantFiled: September 1, 2010Date of Patent: March 31, 2015Assignee: Hoganas AB (Publ)Inventors: Mats Larsson, Karin Olsson, Hilmar Vidarsson
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Patent number: 8647743Abstract: A ferromagnetic powder composition including soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R1[(R1)x(R2)y(MOn-1)]nR1, wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; R1 is a hydrolysable group; R2 is an organic moiety and wherein at least one R2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi-metallic particulate compound having a Mohs hardness of less than 3.5 is adhered to a metal-organic layer; wherein the powder composition further includes a particulate lubricant.Type: GrantFiled: August 6, 2012Date of Patent: February 11, 2014Assignee: Hoganas AB (Publ)Inventors: Björn Skårman, Zhou Ye, Hilmar Vidarsson
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Publication number: 20120292555Abstract: A ferromagnetic powder composition including soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R1[(R1)x(R2)y(MOn-1)]nR1, wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; R1 is a hydrolysable group; R2 is an organic moiety and wherein at least one R2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi-metallic particulate compound having a Mohs hardness of less than 3.5 is adhered to a metal-organic layer; wherein the powder composition further includes a particulate lubricant.Type: ApplicationFiled: August 6, 2012Publication date: November 22, 2012Applicant: HOGANAS AB (PUBL)Inventors: Björn Skårman, Zhou Ye, Hilmar Vidarsson
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Patent number: 8236420Abstract: A ferromagnetic powder composition is described comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R1[(R1)x(R2)y(MOn-1)]nR1, wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; R1 is a hydrolysable group; R2 is an organic moiety and wherein at least one R2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi-metallic particulate compound having a Mohs hardness of less than 3.5 is adhered to at least one metal-organic layer; and wherein the powder composition further comprises a particulate lubricant.Type: GrantFiled: March 18, 2009Date of Patent: August 7, 2012Assignee: Höganäs AB (Publ)Inventors: Björn Skårman, Zhou Ye, Hilmar Vidarsson
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Publication number: 20120187611Abstract: A metal powder composition including: an iron or iron-based powder composition, and a lubricating combination including a substance A, a substance B, and a substance C; wherein: substance A is a polyolefin, substance B is chosen from a group of saturated and unsaturated fatty acid amides, saturated and unsaturated fatty acid bisamides, saturated fatty alcohols and fatty acid glycerols, and substance C is an amide oligomer having a molecular weight between 500 g/mol and 30 000 g/mol; and wherein the amounts of respective substances A, B and C in weight percent of the iron or iron-based powder composition are: 0.05?A+B<0.4 wt %, C?0.3 wt %, A+B+C?2.0 wt %, and the relation between substances A and B is: B/A>0.5. Also, a method of producing a metal powder composition and a method for producing a green component.Type: ApplicationFiled: September 1, 2010Publication date: July 26, 2012Applicant: HOGANAS AB (PUBL)Inventors: Mats Larsson, Karin Olsson, Hilmar Vidarsson
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Patent number: 7871453Abstract: A specifically defined powder composition is provided wherein there is a requirement that the specified lubricant always be liquid at room temperature. Such powder composition contains coarse iron or iron-based powder having an average particle size between 75 and 300 ?m wherein less than 10% of the powder particles have a size below 45 ?m and the amount of particles above 212 ?m is above 20%, and as a lubricant at least one non-drying oil or a vegetable or animal based fatty acid having a crystalline melting point below 25° C., and a viscosity (?) at 40° C. above 15 mPas, wherein said viscosity is temperature dependent according to the following formula: 10 log ?=k/T+C, wherein k is the slope, T is the temperature in degrees Kelvin, and C is a constant, in an amount between 0.04 and 0.4% by weight of the composition and optional additives. The slope preferably is above 800.Type: GrantFiled: March 31, 2010Date of Patent: January 18, 2011Assignee: Höganäs ABInventors: Hilmar Vidarsson, Paul Skoglund, Sven Allroth, Ermin Imamovic
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Publication number: 20110006246Abstract: A ferromagnetic powder composition is described comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R1[(R1)x(R2)y(MOn-1)]nR1, wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; R1 is a hydrolysable group; R2 is an organic moiety and wherein at least one R2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi-metallic particulate compound having a Mohs hardness of less than 3.5 is adhered to at least one metal-organic layer; and wherein the powder composition further comprises a particulate lubricant.Type: ApplicationFiled: March 18, 2009Publication date: January 13, 2011Applicant: HOGANAS AB (PUBL)Inventors: Björn Skårman, Zhou Ye, Hilmar Vidarsson
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Publication number: 20100266930Abstract: An agglomerated powder is formed comprising a metal oxide agglomerated with at least one alkaline carbonate to be used as an electrolyte in fuel cells. The obtained agglomerates exhibit good flow properties which facilitates the handling of the powder and improved homogeneity and stability compared to a plain mixture of the ingredients. In a preferred embodiment the technology is directed to agglomerating fine and irregular particulate ceria powder with lithium and sodium or potassium carbonates to be used for compaction of thin plates used as electrolytes for solid oxide fuel cells. A powder to be used as electrolyte in fuel cells, comprising a metal oxide and at least one alkali carbonate is provided. A bonding is formed between the metal oxide and the at least one alkali carbonate during mixing thereby providing an agglomerated powder and avoiding segregation.Type: ApplicationFiled: December 9, 2008Publication date: October 21, 2010Inventor: Hilmar Vidarsson
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Patent number: 7815707Abstract: A powder metallurgical composition for making compacted parts is provided. Such composition comprises iron or an iron based powder, and a binder comprising a drying oil and a drying agent. In a preferred embodiment graphite also is present.Type: GrantFiled: January 27, 2006Date of Patent: October 19, 2010Assignee: Höganäs ABInventors: Björn Johansson, Hilmar Vidarsson
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Publication number: 20100186551Abstract: A specifically defined powder composition is provided wherein there is a requirement that the specified lubricant always be liquid at room temperature. Such powder composition contains coarse iron or iron-based powder having an average particle size between 75 and 300 ?m wherein less than 10% of the powder particles have a size below 45 ?m and the amount of particles above 212 ?m is above 20%, and as a lubricant at least one non-drying oil or a vegetable or animal based fatty acid having a crystalline melting point below 25° C., and a viscosity (q) at 40° C. above 15 mPas, wherein said viscosity is temperature dependent according to the following formula: 10 log ?=k/T+C, wherein k is the slope, T is the temperature in degrees Kelvin, and C is a constant, in an amount between 0.04 and 0.4% by weight of the composition and optional additives. The slope preferably is above 800.Type: ApplicationFiled: March 31, 2010Publication date: July 29, 2010Applicant: Hoganas ABInventors: Hilmar VIDARSSON, Paul SKOGLUND, Sven ALLROTH, Ermin IMAMOVIC
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Patent number: 7758804Abstract: The invention concerns a method for producing products and coarse iron-based powder comprising a lubricant having a crystalline melting point below 25° C., a viscosity (?) at 40° C. above 15 mPas and wherein said viscosity is temperature dependent according to the following formula: 10 log ?=k/T+C wherein the slope k is preferably above 800, T is temperature in Kelvin and C is a constant, in an amount between 0.05 and 0.4%.Type: GrantFiled: April 20, 2005Date of Patent: July 20, 2010Assignee: Höganäs ABInventors: Hilmar Vidarsson, Paul Skoglund, Sven Allroth, Ermin Imamovic
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Patent number: 7718082Abstract: The invention concerns a powder metallurgical composition containing, preferably a coarse, soft magnetic iron or iron-based powder, wherein the particles are surrounded by an insulating inorganic coating and as lubricant at least one non-drying oil or liquid having a crystalline melting point below 25° C., a viscosity (?) at 40° C. above 15 mPas and wherein said viscosity is temperature dependent according to the following formula: 10 log ?=k/T+C wherein the slope k is above 800 T is in Kelvin and C is a constant in an amount between 0.05 and 0.4% by weight of the composition.Type: GrantFiled: June 21, 2005Date of Patent: May 18, 2010Assignee: Höganäs ABInventors: Hilmar Vidarsson, Paul Skoglund, Björn Sk{dot over (a)}rman