Patents by Inventor James C. Bronfenbrenner

James C. Bronfenbrenner 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).

  • Water condenser/separator systems for Claus processes
    Patent number: 4935221
    Abstract: An apparatus and process are described for the cooling and condensing of sulfur and water vapors from a Claus gas below the sulfur freezing point (248.degree. F.) at low pressure (<30 psia), so that solid sulfur and condensed water are simultaneously removed from the Claus gas without solid sulfur plugging of the separation equipment and with efficient separation of the sulfur from water.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: June 19, 1990
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James C. Bronfenbrenner, Michael S. Chen, M. Moniz, Pradip Rao
  • Process for stabilizing the viscosity characteristics of coal derived materials and the stabilized materials obtained thereby
    Patent number: 4555248
    Abstract: A process is disclosed for stabilizing the viscosity of coal derived materials such as an SRC product by adding up to 5.0% by weight of a light volatile phenolic viscosity repressor. The viscosity will remain stabilized for a period of time of up to 4 months.
    Type: Grant
    Filed: June 20, 1984
    Date of Patent: November 26, 1985
    Assignee: International Coal Refining Company
    Inventors: James C. Bronfenbrenner, Edward P. Foster, Krishna Tewari
  • Integrated two-stage coal liquefaction process
    Patent number: 4536275
    Abstract: This invention relates to an improved two-stage process for the production of liquid carbonaceous fuels and solvents from carbonaceous solid fuels, especially coal.
    Type: Grant
    Filed: March 7, 1984
    Date of Patent: August 20, 1985
    Assignee: International Coal Refining Company
    Inventors: James C. Bronfenbrenner, Ronald W. Skinner, Samuel Znaimer