Patents by Inventor Terrence W. Mattioli

Terrence W. Mattioli 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).

  • Method of inhibiting deposits in coke oven gas processing equipment
    Publication number: 20020084210
    Abstract: A method of inhibiting and/or removing deposits from coke oven gas handling equipment is disclosed which comprises the addition of a treatment combination of a heterocyclic nitrogenous compound such as quinoline and 2-butoxyethanol to the flushing liquor used to cool coke oven effluent gases.
    Type: Application
    Filed: January 30, 2002
    Publication date: July 4, 2002
    Applicant: BetzDearborn Inc.
    Inventors: Patrick J. Doyle, Terrence W. Mattioli, Gary S. Thundercliffe
  • Inhibiting deposits in coke oven gas processing equipment
    Patent number: 6375831
    Abstract: A method of inhibiting and/or removing deposits from coke oven gas handling equipment is disclosed which comprises the addition of a treatment combination of a heterocyclic nitrogenous compound such as quinoline and 2-butoxyethanol to the flushing liquor used to cool coke oven effluent gases.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: April 23, 2002
    Assignee: BetzDearborn Inc.
    Inventors: Patrick J. Doyle, Terrence W. Mattioli, Gary S. Thundercliffe
  • Method of improving precious metal yield in a Merrill-Crowe recovery process
    Patent number: 5215574
    Abstract: A method for improving the yield of gold and silver from a Merrill-Crowe recovery process where the presence of copper effects yield. The method involves the addition of a substoichiometric amount of ethylenediaminetetraacetic acid in combination with a phosphonate and polyacrylic copolymer scale control agent. The method also reduces zinc consumption and controls scaling in the stripping circuit.
    Type: Grant
    Filed: January 3, 1992
    Date of Patent: June 1, 1993
    Assignee: Betz Laboratories, Inc.
    Inventors: Suzanne L. Kladder, Terrence W. Mattioli, Gary E. Geiger, James E. Cressman
  • Blast furnace testing and control methods
    Patent number: 4158562
    Abstract: A method for evaluating and/or controlling a blast furnace operation is disclosed wherein the carbon content of off-gases is measured at a test point located downstream of the wet scrubber.
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: June 19, 1979
    Assignee: Betz Laboratories, Inc.
    Inventors: Terrence W. Mattioli, Glenn D. Williams
  • Deposition test coupon
    Patent number: 4142402
    Abstract: A test coupon, more particularly a deposition test coupon, for measuring the deposition rate of scale on surfaces in contact with a scale-forming medium such as industrial cooling water.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: March 6, 1979
    Assignee: Betz Laboratories, Inc.
    Inventors: Terrence W. Mattioli, John R. Schieber