Patents Assigned to Prestone Products Corporation
  • Patent number: 11214723
    Abstract: A super concentrate additive solution is disclosed herein. A super concentrate additive solution can be added into a heat transfer fluid to improve corrosion protection performance and to extend the service life of a heat transfer system or the fluids therein. A method includes adding a super concentrate additive solution to a heat transfer fluid to form a super additive heat transfer fluid and adding the mixture to a heat transfer system. A super concentrate additive solution can also be used in flexible production of a high corrosion protection performance heat transfer fluid concentrate, pre-diluted heat transfer fluids, or ready-for-use heat transfer fluids.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: January 4, 2022
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Peter M. Woyciesjes, Aleksei V. Gershun
  • Patent number: 10119058
    Abstract: Disclosed herein is a heat transfer fluid additive composition comprising: greater than or equal to 10 weight percent (wt %) of a carboxylic acid, based on the total weight of the composition; an azole compound; and a base, wherein the base is present in an amount sufficient to obtain a pH 8-10.5 when diluted by 50 volume % with water. The heat transfer fluid additive composition can be combined with other components to form a heat transfer fluid. The heat transfer fluid can be used in a heat transfer system.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: November 6, 2018
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei Gershun, Peter M. Woyciesjes
  • Patent number: 9669965
    Abstract: An additive package for storing automotive treatment chemicals. Additive components can be combined and added to a vehicle cooling or other system to enhance or repair system performance in a motor vehicle, and stop and prevent leaks.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: June 6, 2017
    Assignee: Prestone Products Corporation
    Inventor: Thomas G. Kalagher
  • Patent number: 9660277
    Abstract: Disclosed are coolants comprising brazed metal corrosion inhibitors.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: May 23, 2017
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Peter M. Woyciesjes, Aleksei V. Gershun, Filipe J. Marinho
  • Patent number: 9598624
    Abstract: Disclosed herein is a heat transfer fluid additive composition comprising: greater than or equal to 10 weight percent (wt %) of a carboxylic acid, based on the total weight of the composition; an azole compound; and a base, wherein the base is present in an amount sufficient to obtain a pH 8-10.5 when diluted by 50 volume % with water. The heat transfer fluid additive composition can be combined with other components to form a heat transfer fluid. The heat transfer fluid can be used in a heat transfer system.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: March 21, 2017
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei Gershun, Peter M. Woyciesjes
  • Patent number: 9598664
    Abstract: Disclosed herein is a cleaner concentrate comprising: greater than 10 weight percent of a freezing point depressant, 0.5 to 35 weight percent of oxalic acid, and an azole compound, wherein weight percent is based on the total weight of the cleaner concentrate.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: March 21, 2017
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Peter M. Woyciesjes
  • Patent number: 9587154
    Abstract: Disclosed is a pre-treated ion exchange resin comprising at least 15% by total number of exchangeable groups comprising at least one of an ion, or a Lewis acid, or a Lewis base resulting from a heat transfer fluid component having a pKa or pKb of greater than 5 in an aqueous solution at 25° C., based on the total number of exchangeable groups. In one embodiment, the heat transfer fluid component is at least one of a colorant, a corrosion inhibitor, an antifoaming agent, a bitterant, a dispersant, or a combination thereof. In one embodiment, the heat transfer fluid component comprises a heat transfer fluid corrosion inhibitor. Also disclosed are heat transfer systems, assemblies, fuel cell systems and methods of maintaining a conductivity of less than 200 ?S/cm in a heat transfer fluid that employ the disclosed pre-treated ion exchange resins.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: March 7, 2017
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Filipe J. Marinho, Peter M. Woyciesjes, Aleksei V. Gershun
  • Patent number: 9453153
    Abstract: Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 90 weight percent of a freezing point depressant; 16 to 80 ppm of magnesium ions; an azole compound; an inorganic phosphate; a carboxylate; and an acrylate based polymer, wherein the heat transfer fluid concentrate has a pH of 7-9.5 and the weight ratio of acrylate based polymer to magnesium ions is 1 to 25. The heat transfer fluid concentrate can be used to make a heat transfer fluid.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: September 27, 2016
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei Gershun, Peter M. Woyciesjes
  • Patent number: 9394506
    Abstract: Compositions and methods for cleaning hard surfaces are disclosed herein. More particularly, the present disclosure relates to cleaning compositions that can be used in automotive applications for removing organic soils that accumulate on automotive surfaces without causing surface paint damage.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: July 19, 2016
    Assignee: Prestone Products Corporation
    Inventors: Thomas G. Kalagher, Colin Dilley, Joseph Matthews
  • Patent number: 9328277
    Abstract: Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 85 weight percent of a freezing point depressant, based on the total weight of the heat transfer fluid concentrate; 50 to 2000 ppm of lithium ions; an azole compound; an inorganic phosphate; a carboxylic acid; and an acrylate based polymer, wherein the heat transfer fluid has a pH of 7.0-9.5. The heat transfer fluid concentrate can be used to make a heat transfer fluid.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: May 3, 2016
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei Gershun, Peter M. Woyciesjes
  • Patent number: 9315711
    Abstract: Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 85 weight percent of a freezing point depressant, based on the total weight of the heat transfer fluid concentrate; 50 to 2000 ppm of lithium ions; an azole compound; an inorganic phosphate; a carboxylic acid; and an acrylate based polymer, wherein the heat transfer fluid has a pH of 7.0-9.5. The heat transfer fluid concentrate can be used to make a heat transfer fluid.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: April 19, 2016
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei Gershun, Peter M. Woyciesjes
  • Patent number: 9267067
    Abstract: Disclosed herein is a heat transfer fluid, comprising a hydroxylated carboxylic acid of formula (OH)x(R1)(COOH)y, wherein x is 2 to 10, y is 3 to 10, and R1 is a C2-50 aliphatic group, a C6-50 aromatic group, or a combination thereof; and wherein the hydroxylated carboxylic acid comprises the hydroxylated carboxylic acid, an ester thereof, a salt thereof, an anhydride thereof, or a combination thereof. A heat transfer system comprises an aluminum component, a magnesium component, or an aluminum component and a magnesium component; and the foregoing heat transfer fluid.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: February 23, 2016
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei V. Gershun, Peter M. Woyciesjes
  • Patent number: 9249348
    Abstract: Disclosed herein is heat transfer system, comprising a brazed aluminum component, and a heat transfer fluid in fluid communication with the brazed aluminum component, wherein the heat transfer fluid comprises a liquid coolant, an oxy-anion of molybdenum, tungsten, vanadium, phosphorus, antimony, or a combination thereof, and a corrosion inhibitor. Also disclosed is a method of preventing corrosion in the heat transfer system, and a heat transfer fluid and additive package for use in the heat transfer system.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: February 2, 2016
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Peter M. Woyciesjes, Aleksei V. Gershun, Filipe J. Marinho
  • Patent number: 9145613
    Abstract: Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 90 weight percent of a freezing point depressant; 16 to 80 ppm of magnesium ions; an azole compound; an inorganic phosphate; a carboxylate; and an acrylate based polymer, wherein the heat transfer fluid concentrate has a pH of 7-9.5 and the weight ratio of acrylate based polymer to magnesium ions is 1 to 25. The heat transfer fluid concentrate can be used to make a heat transfer fluid.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: September 29, 2015
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei Gershun, Peter M. Woyciesjes
  • Patent number: 9023235
    Abstract: Disclosed herein is a heat transfer fluid additive composition comprising: greater than or equal to 10 weight percent (wt %) of a carboxylic acid, based on the total weight of the composition; an azole compound; and a base, wherein the base is present in an amount sufficient to obtain a pH 8-10.5 when diluted by 50 volume % with water. The heat transfer fluid additive composition can be combined with other components to form a heat transfer fluid. The heat transfer fluid can be used in a heat transfer system.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: May 5, 2015
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Aleksei V. Gershun, Peter M. Woyciesjes
  • Patent number: 8980815
    Abstract: Disclosed herein is a cleaner concentrate comprising: greater than 10 weight percent of a freezing point depressant, 0.5 to 35 weight percent of oxalic acid, and an azole compound, wherein weight percent is based on the total weight of the cleaner concentrate.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: March 17, 2015
    Assignee: Prestone Products Corporation
    Inventors: Bo Yang, Peter M. Woyciesjes
  • Patent number: D719832
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: December 23, 2014
    Assignee: Prestone Products Corporation
    Inventors: Colin Dilley, Kathleen Villa, Kelley O'Donnell, Russell Wright
  • Patent number: D726019
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: April 7, 2015
    Assignee: Prestone Products Corporation
    Inventors: Colin Dilley, Kathleen Villa, Russell Wright
  • Patent number: D771496
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: November 15, 2016
    Assignee: Prestone Products Corporation
    Inventors: Colin Dilley, Kathleen Villa, Russell Wright
  • Patent number: D778163
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: February 7, 2017
    Assignee: Prestone Products Corporation
    Inventors: Colin Dilley, Kathleen Villa, Russell Wright