Patents by Inventor Wilhelm Frohs

Wilhelm Frohs 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).

  • Patent number: 11434428
    Abstract: Coke including additives that are accumulated at the yield points or in the regions surrounded by the yield points. For homogeneous distribution, the additives are continuously dosed into the delayed coker during the filling time. The dosing can be carried out by powdery blowing with an inert gas (nitrogen) or also distributed in a slurry consisting of the reaction components and a partial flow of the coker feed (vacuum resid, pytar, decant oil or coal-tar distillates). According to an advantageous form of embodiment, the additives may optionally have a diameter of between 0.05 mm and 5 mm, preferably between 1 mm and 3 mm. Advantageously, the additives can be selected from at least one of acetylene coke, fluid coke, flexi coke, shot coke, carbon black, non-graphitisable carbons (chars), non-graphitic anthracite, silicon carbide, titanium carbide, titanium diboride or mixtures thereof.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: September 6, 2022
    Assignee: Tokai COBEX GmbH
    Inventors: Oswin Öttinger, Heribert Walter, Martin Christ, Johann Daimer, Wilhelm Frohs, Frank Hiltmann, Rainer Schmitt
  • Patent number: 10899623
    Abstract: The invention relates to a method for producing graphite materials as well as the use thereof in lithium ion batteries.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: January 26, 2021
    Assignee: SGL CARBON SE
    Inventors: Heribert Walter, Wilhelm Frohs, Johann Daimer, Martin Christ, Oswin Öttinger, Bernt Ketterer, Ivano Galbiati
  • Patent number: 10377672
    Abstract: A method for the production of polygranular graphite bodies including the step of provisioning a mixture including a high-temperature treated anthracite having a high vitrinite content and a petroleum-based needle coke and/or a pitch-based needle coke, and provisioning at least one binder coke precursor. The method also includes the steps of forming a green body from the mixture from the provisioning step, and carbonizing and graphitizing the green body.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: August 13, 2019
    Assignee: Showa Denko Carbon Germany GmbH
    Inventors: Wilhelm Frohs, Rainer Schmitt
  • Patent number: 10308513
    Abstract: A method for the production of graphite bodies, including the step of provisioning a mixture including a high-temperature treated anthracite having a high vitrinite content and provisioning at least one binder coke precursor. The method also includes the steps of forming a green body from the mixture provided in the provisioning step, and carbonizing and graphitizing the green body.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: June 4, 2019
    Assignee: Showa Denko Carbon Germany GmbH
    Inventors: Wilhelm Frohs, Rainer Schmitt
  • Publication number: 20180222803
    Abstract: A method for the production of polygranular graphite bodies including the step of provisioning a mixture including a high-temperature treated anthracite having a high vitrinite content and a petroleum-based needle coke and/or a pitch-based needle coke, and provisioning at least one binder coke precursor. The method also includes the steps of forming a green body from the mixture from the provisioning step, and carbonizing and graphitizing the green body.
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Applicant: Showa Denko Carbon Holding GmbH
    Inventors: Wilhelm Frohs, Rainer Schmitt
  • Publication number: 20180194631
    Abstract: A method for the production of graphite bodies, including the step of provisioning a mixture including a high-temperature treated anthracite having a high vitrinite content and provisioning at least one binder coke precursor. The method also includes the steps of forming a green body from the mixture provided in the provisioning step, and carbonizing and graphitizing the green body.
    Type: Application
    Filed: March 6, 2018
    Publication date: July 12, 2018
    Applicant: Showa Denko Carbon Holding GmbH
    Inventors: Wilhelm Frohs, Rainer Schmitt
  • Patent number: 8748009
    Abstract: The present invention relates to a material including a matrix and at least one reinforcing element introduced therein, wherein the matrix is selected from the group consisting of plastic, carbon, ceramic, glass, clay, metal, and combinations thereof, and the reinforcing element is spherical to ellipsoidal in shape and has an onionskin-like structure. The present invention further relates to a method for producing a material including steps preparing at least one spherical to ellipsoidal reinforcing element having an onionskin-type structure, and introducing the reinforcing element into a matrix, wherein the matrix is selected from the group consisting of plastic, carbon, ceramic, glass, clay, metal, and combinations thereof. The present invention further relates to use of the material in a friction application, as abrasion protection, an injection molding part, a support plate, catalyst substrate or as bone replacement material.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: June 10, 2014
    Assignee: SGL Carbon SE
    Inventors: Wilhelm Frohs, Andreas Kienzle, Ingrid Krätschmer
  • Patent number: 7990680
    Abstract: In a method of manufacturing a porous coke suitable as a charge-storing material in electrochemical capacitors, one manufactures or provides a non-calcined isotropic coke with spherical or onion-shaped morphology and low graphitizability as a starting material. The starting material is comingled with a caustic alkali to obtain a homogenous mixture. The homogenous mixture is heat treated at a temperature in a range between 650 and 950° C. to obtain the porous coke. The porous coke is washed and neutralized.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: August 2, 2011
    Assignee: SGL Carbon SE
    Inventors: Martin Cadek, Wilhelm Frohs, Mario Wachtler
  • Publication number: 20110082033
    Abstract: The present invention relates to a material including a matrix and at least one reinforcing element introduced therein, wherein the matrix is selected from the group consisting of plastic, carbon, ceramic, glass, clay, metal, and combinations thereof, and the reinforcing element is spherical to ellipsoidal in shape and has an onionskin-like structure. The present invention further relates to a method for producing a material including steps preparing at least one spherical to ellipsoidal reinforcing element having an onionskin-type structure, and introducing the reinforcing element into a matrix, wherein the matrix is selected from the group consisting of plastic, carbon, ceramic, glass, clay, metal, and combinations thereof. The present invention further relates to use of the material in a friction application, as abrasion protection, an injection moulding part, a support plate, catalyst substrate or as bone replacement material.
    Type: Application
    Filed: October 5, 2010
    Publication date: April 7, 2011
    Inventors: Wilhelm Frohs, Andreas Kienzle, Ingrid Krätschmer
  • Publication number: 20100014216
    Abstract: In a method of manufacturing a porous coke suitable as a charge-storing material in electrochemical capacitors, one manufactures or provides a non-calcined isotropic coke with spherical or onion-shaped morphology and low graphitizability as a starting material. The starting material is comingled with a caustic alkali to obtain a homogenous mixture. The homogenous mixture is heat treated at a temperature in a range between 650 and 950° C. to obtain the porous coke. The porous coke is washed and neutralized.
    Type: Application
    Filed: August 17, 2009
    Publication date: January 21, 2010
    Applicant: SGL CARBON SE
    Inventors: Martin Cadek, Wilhelm Frohs, Mario Wachtler
  • Patent number: 7276284
    Abstract: A number of properties of polygranular carbon bodies can be improved by small quantities of carbon fibers being incorporated in the formulations for production of such bodies. However, it has proven difficult for carbon fibers to be introduced into the green mixture. Therefore, a high-grade coke, preferably needle coke, in accordance with the invention is used to produce the polygranular carbon bodies. This high-grade coke according to the invention contains the carbon fibers simply as a result of being produced in the delayed coker of a refinery. All the main details of the way in which a coke of this type is mixed into the green mixture correspond to the reliably managed processing of other needle cokes.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: October 2, 2007
    Assignee: SGL-Carbon AG
    Inventor: Wilhelm Frohs
  • Publication number: 20070134422
    Abstract: A number of properties of polygranular carbon bodies can be improved by small quantities of carbon fibers being incorporated in the formulations for production of such bodies. However, it has proven difficult for carbon fibers to be introduced into the green mixture. Therefore, a high-grade coke, preferably needle coke, in accordance with the invention is used to produce the polygranular carbon bodies. This high-grade coke according to the invention contains the carbon fibers simply as a result of being produced in the delayed coker of a refinery. All the main details of the way in which a coke of this type is mixed into the green mixture correspond to the reliably managed processing of other needle cokes.
    Type: Application
    Filed: December 18, 2003
    Publication date: June 14, 2007
    Inventor: Wilhelm Frohs
  • Publication number: 20040265591
    Abstract: Connecting pieces for carbon material electrodes include carbon fibers. The fibers are oxidatively activated carbon fibers which additionally have a carbonized coating. The carbonized coating is a carbonization product of a coating material selected from wax, pitch, natural resins, thermoplastic and thermosetting polymers.
    Type: Application
    Filed: March 22, 2004
    Publication date: December 30, 2004
    Inventors: Wilhelm Frohs, Klaus-Peter Brehler, Michael Heine