Patents by Inventor Junbo Choi

Junbo Choi 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).

  • Process for obtaining glass and glass obtained
    Patent number: 8966941
    Abstract: The object of the invention is a continuous method for obtaining glass, comprising steps consisting of: charging raw materials upstream of a furnace, along which a plurality of burners is disposed, obtaining a mass of molten glass, and then leading said mass of molten glass to a zone of the furnace situated further downstream, at least one burner disposed in the region of this zone being fed with an over-stoichiometric quantity of oxidant, and then, forming a glass sheet, said glass sheet having a chemical composition that comprises the following constituents in an amount varying within the weight limits defined below: SiO2 60-75%? Al2O3 0-10% B2O3 0-5%, preferably 0? CaO 5-15% MgO 0-10% Na2O 5-20% K2O 0-10% BaO 0-5%, preferably 0, SO3 0.1-0.4%? Fe2O3 (total iron) 0 to 0.015%,?? Redox 0.1-0.3.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: March 3, 2015
    Assignee: Saint-Gobain Glass France
    Inventors: Octavio Cintora, Thomas Schuster, Byoung-Ouk Kim, Kidong Moon, Junbo Choi, Pedro Silva
  • PROCESS FOR OBTAINING GLASS AND GLASS OBTAINED
    Publication number: 20120121915
    Abstract: The object of the invention is a continuous method for obtaining glass, comprising steps consisting of: charging raw materials upstream of a furnace, along which a plurality of burners is disposed, obtaining a mass of molten glass, and then leading said mass of molten glass to a zone of the furnace situated further downstream, at least one burner disposed in the region of this zone being fed with an over-stoichiometric quantity of oxidant, and then, forming a glass sheet, said glass sheet having a chemical composition that comprises the following constituents in an amount varying within the weight limits defined below: SiO2 ?60-75% Al2O3 ??0-10% B2O3 ??0-5%, preferably 0 CaO ??5-15% MgO ??0-10% Na2O ??5-20% K2O ??0-10% BaO ??0-5%, preferably 0, SO3 0.1-0.4% Fe2O3 (total iron) ??0 to 0.015%, Redox 0.1-0.3.
    Type: Application
    Filed: September 1, 2009
    Publication date: May 17, 2012
    Applicant: SAINT-GOBAIN GLASS FRANCE
    Inventors: Octavio CINTORA, Thomas SCHUSTER, Byoung-Ouk KIM, Kidong MOON, Junbo CHOI, Pedro SILVA
  • PROCESS FOR OBTAINING GLASS AND GLASS OBTAINED
    Publication number: 20110135938
    Abstract: The object of the invention is a continuous method for obtaining glass, comprising steps consisting of: charging raw materials upstream of a furnace, along which a plurality of burners is disposed, obtaining a mass of molten glass, and then leading said mass of molten glass to a zone of the furnace situated further downstream, at least one burner disposed in the region of this zone being fed with an over-stoichiometric quantity of oxidant, and then, forming a glass sheet, said glass sheet having a chemical composition that comprises the following constituents in an amount varying within the weight limits defined below: SiO2 60-75%? Al2O3 0-10% B2O3 0-5%, preferably 0? CaO 5-15% MgO 0-10% Na2O 5-20% K2O 0-10% BaO 0-5%, preferably 0, SO3 0.1-0.4%? Fe2O3 (total iron) 0 to 0.015%,?? Redox 0.1-0.3.
    Type: Application
    Filed: September 1, 2009
    Publication date: June 9, 2011
    Applicant: Saint-Gobain Glass France
    Inventors: Byoung-Ouk Kim, Kidong Moon, Junbo Choi, Pedro Silva