Patents by Inventor John J. Conville

John J. Conville 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).

  • Aqueous corrosion inhibitor formulations
    Patent number: 5702631
    Abstract: The present invention provides aqueous concentrated corrosion inhibition formulations suitable for addition to depleted antifreeze/coolant compositions or corrosive water that use a mixture of polymeric polycarboxylates, azoles, nitrate salts, phosphates, stabilized silicates and transition metal compounds which reduces the corrosion rate and is effective at relatively low concentrations. The formulations are particularly suitable for automotive applications.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 30, 1997
    Assignee: Ashland Inc.
    Inventors: John J. Conville, Robert Chwalik, Shrikant V. Desai, David E. Turcotte, James T. Lyon
  • Engine coolant removal and refill method and device
    Patent number: 5673733
    Abstract: A removal and refill apparatus for use in removing and/or refilling coolant in an automotive cooling system. The automotive cooling system typically includes a radiator, overflow bottle, engine, water pump, and heater core elements. A method for utilizing the coolant removal and refill apparatus utilizing vacuum and pressure is described for use with the removal and refill apparatus.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: October 7, 1997
    Assignee: Ashland, Inc.
    Inventors: David E. Turcotte, John J. Conville, Stephen M. Zeld, Daniel E. Coker, James T. Lyon
  • Engine coolant removal and refill method and device
    Patent number: 5649574
    Abstract: A removal and refill apparatus for use in removing and/or refilling coolant in an automotive cooling system. The automotive cooling system typically includes a radiator, overflow bottle, engine, water pump, and heater core elements. A method for utilizing the coolant removal and refill apparatus utilizing vacuum and pressure is described for use with the removal and refill apparatus.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: July 22, 1997
    Assignee: Ashland, Inc.
    Inventors: David E. Turcotte, John J. Conville, Stephen M. Zeld, Daniel E. Coker, James T. Lyon
  • Engine coolant removal and refill method and device
    Patent number: 5511590
    Abstract: In an automotive cooling system made up of a radiator, overflow bottle, engine and heater core members, a method of removing spent antifreeze therefrom involves applying air pressure at the highest vertical point of the cooling system members, and draining the antifreeze via the lowest vertical point thereof. A method of refill via the radiator or pressurized overflow bottle involves utilization of a refill element with vacuum and coolant prongs. Simultaneous vacuum and refill of coolant is achieved with the refill element.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: April 30, 1996
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, John J. Conville, Stephen M. Zeld, Daniel E. Coker, James T. Lyon
  • Rapid cooling system cleaning formulations
    Patent number: 5342537
    Abstract: The present invention provides automotive cooling system cleaning formulations suitable for addition to antifreeze/coolant systems. The cleaning compositions use a mixture of a metal cleaning compound such as EDTA, polymeric polycarboxylates and alkoxylated alcohol based nonionic surfactants to provide rapid cleaning of the coolant system. The cleaning formulation is then removed from the cooling system.
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: August 30, 1994
    Assignee: BASF Corporation
    Inventors: John J. Conville, James T. Lyon, Turcotte
  • Glycol-based polycarboxylate-containing antifreeze coolant formulations
    Patent number: 5330670
    Abstract: The present invention provides an antifreeze/coolant composition with polymeric polycarboxylates which prevents hard water precipitants and scale formation, is soluble in alcohol and alcohol/water mixtures, is compatible with other commonly used antifreeze/coolant components, does not corrode or damage automotive cooling systems and is effective at relatively low concentrations.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: July 19, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, John J. Conville, James T. Lyon, Richard J. Holland, Stanley T. Hirozawa
  • Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting aluminum
    Patent number: 5320771
    Abstract: The present invention provides an antifreeze/coolant additive comprising polymeric polycarboxylates which reduces the corrosion rate of heat rejecting aluminum, and is effective at relatively low concentrations.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: June 14, 1994
    Assignee: BASF Corp.
    Inventors: David E. Turcotte, John J. Conville, James T. Lyon, Stanley T. Hirozawa, Shrikant V. DeSai
  • Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
    Patent number: 5290469
    Abstract: The present invention provides an antifreeze/coolant composition with polymeric polycarboxylates which reduces the corrosion rate of heat rejecting aluminum, and is effective at relatively low concentrations.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, John J. Conville, James T. Lyon, Stanley T. Hirozawa, Shrikant V. DeSai
  • Polycarboxylate-containing antifreeze/coolant additive for resisting cavitation erosion-corrosion on aluminum
    Patent number: 5290467
    Abstract: The present invention provides an antifreeze/coolant additive comprising polymeric polycarboxylates which resists cavitation erosion-corrosion of aluminum and aluminum alloys, is effective at relatively low concentrations and at varying pH.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, James T. Lyon, John J. Conville, Shrikant V. DeSai, Stanley T. Hirozawa
  • Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications
    Patent number: 5290468
    Abstract: The present invention provides an antifreeze/coolant additive comprising polymeric polycarboxylates which prevents hard water precipitants and scale formation, is soluble in alcohol and alcohol/water mixtures, is compatible with other commonly used antifreeze/coolant components, does not corrode or damage automotive cooling systems and is effective at relatively low concentrations.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, John J. Conville, James T. Lyon, Richard J. Holland, Stanley T. Hirozawa
  • Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
    Patent number: 5288419
    Abstract: The present invention provides an antifreeze/coolant composition with polymeric polycarboxylates which resists cavitation erosion-corrosion of aluminum and aluminum alloys, is effective at relatively low concentrations and at varying pH.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: February 22, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, James T. Lyon, John J. Conville, Shrikant V. DeSai, Stanley T. Hirozawa
  • Coolant system cleaning solutions having silicate or siliconate-based corrosion inhibitors
    Patent number: 5071582
    Abstract: Cooling system cleaning solutions containing an EDTA salt, a polyhydroxy mono- or dicarboxylic sugar acid, and a soluble nitrate salt are effective in removing scale, corrosion, and solder bloom from cooling systems.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Corporation
    Inventors: John J. Conville, James T. Lyon, David E. Turcotte, Stanley T. Hirozawa, Shrikant V. Desai, Daniel E. Coker
  • Aqueous liquids containing metal cavitation-erosion corrosion inhibitors
    Patent number: 4548787
    Abstract: Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.
    Type: Grant
    Filed: February 9, 1983
    Date of Patent: October 22, 1985
    Assignee: BASF Wyandotte Corporation
    Inventors: Joe C. Wilson, Stanley T. Hirozawa, John J. Conville
  • Aqueous liquids containing metal cavitation-erosion corrosion inhibitors
    Patent number: 4440721
    Abstract: Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.
    Type: Grant
    Filed: February 11, 1983
    Date of Patent: April 3, 1984
    Assignee: BASF Wyandotte Corporation
    Inventors: Joe C. Wilson, Stanley T. Hirozawa, John J. Conville