Patents by Inventor Robert Scott Koefod

Robert Scott Koefod 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).

  • Publication number: 20080308764
    Abstract: A deicer comprises a mixture of a deicing agent, a pre-wetting agent, and a leaching inhibitor. The leaching inhibitor results in decreased liquid migration within and out of a mass of pre-wetted deicer. The deicer can include a deicing salt such as sodium chloride, a pre-wetting agent comprised of magnesium chloride, and a leaching inhibitor such as xanthan gum. The deicer can also include a corrosion inhibitor and/or radiation absorber.
    Type: Application
    Filed: June 18, 2007
    Publication date: December 18, 2008
    Inventor: Robert Scott Koefod
  • Publication number: 20080099716
    Abstract: A deicing composition with a carboxylate salt as the primary deicer and that has a low corrosivity to galvanized steel is disclosed. The composition includes a soluble silicate as a corrosion inhibitor and a gluconate salt as a silicate stabilizer to maintain adequate solubility of the silicate salt at pH values below about 11.5.
    Type: Application
    Filed: October 27, 2006
    Publication date: May 1, 2008
    Inventor: Robert Scott Koefod
  • Patent number: 7314577
    Abstract: The present invention is directed to improved deicer compositions including corrosion inhibitors for deicing applications, in particular deicer compositions that will be exposed to, or come in contact with, galvanized metal. In an embodiment, the invention includes a deicing composition including an aqueous solution containing an alkali metal carboxylate salt. The deicing composition further includes at least one corrosion inhibitor.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: January 1, 2008
    Assignee: Cargill, Incorporated
    Inventor: Robert Scott Koefod
  • Patent number: 7309451
    Abstract: A deicer comprises a mixture of a deicing agent and a radiation absorber. The radiation absorber results in an increased ice-melting capacity than using the deicing agent alone. The deicer can include a deicing salt such as sodium chloride, and the radiation absorber can include a dye, which can be water soluble. The deicer can also include a corrosion inhibitor and/or wetting agent. Further, a method of making a deicer includes mixing a deicing agent and a radiation absorber. The radiation absorber can be dissolved in a liquid, such as bittern, which can be sprayed on a solid deicing salt.
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: December 18, 2007
    Assignee: Cargill, Incorporated
    Inventor: Robert Scott Koefod
  • Patent number: 7147797
    Abstract: A liquid deicer composition suitable for use as a deicer or as a pre-coat for solid deicers is disclosed. The composition typically includes molasses solids, magnesium chloride, and a corrosion inhibitor. In one implementation the liquid deicer composition includes molasses solids; magnesium chloride, and a corrosion inhibitor.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: December 12, 2006
    Assignee: Sears Petroleum & Tranport Corporation
    Inventors: Robert Scott Koefod, Richard Hunt Rose, III
  • Patent number: 7090882
    Abstract: Antimicrobial salt solutions for food safety and quality applications are disclosed. Because these solutions contain a substantial concentration of salt, they are adaptable to a variety of food-processing applications, such as for chilling brine applications, disinfecting meat baths/rinses, beef injection brines, poultry chill tanks, brines used in cheese manufacture, as a wash to kill salmonella on hard-boiled eggs, and as a wash to disinfect produce, which can become contaminated with salmonella and other pathogenic bacteria in the field. These make use of concentrated salt solutions that depress the freezing point of the solution, to provide a low temperature bath or shower in which food products can be cooled. A preferred formulation contains between 25 ppm and 25,000 ppm surfactant, between 0.1% acid and 25% acid, and between 72.5% and 99.9% salt.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: August 15, 2006
    Assignee: Cargill, Incorporated
    Inventors: Robert Scott Koefod, Timothy Freier
  • Publication number: 20040253352
    Abstract: Antimicrobial salt solutions for food safety and quality applications are disclosed. Because these solutions contain a substantial concentration of salt, they are adaptable to a variety of food-processing applications, such as for chilling brine applications, disinfecting meat baths/rinses, beef injection brines, poultry chill tanks, brines used in cheese manufacture, as a wash to kill salmonella on hard-boiled eggs, and as a wash to disinfect produce, which can become contaminated with salmonella and other pathogenic bacteria in the field. These make use of concentrated salt solutions that depress the freezing point of the solution, to provide a low temperature bath or shower in which food products can be cooled. A preferred formulation contains between 25 ppm and 25,000 ppm surfactant, between 0.1% acid and 25% acid, and between 72.5% and 99.9% salt.
    Type: Application
    Filed: June 12, 2003
    Publication date: December 16, 2004
    Inventors: Robert Scott Koefod, Timothy Freier
  • Patent number: 6800217
    Abstract: A liquid deicer composition suitable for use as a deicer or as a pre-coat for solid deicers is disclosed. The composition typically includes molasses solids, magnesium chloride, and a corrosion inhibitor. In one implementation the liquid deicer composition includes molasses solids; magnesium chloride, and a corrosion inhibitor.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: October 5, 2004
    Assignee: Cargill, Incorporated
    Inventors: Robert Scott Koefod, Richard Hunt Rose, III
  • Publication number: 20040021127
    Abstract: A liquid deicer composition suitable for use as a deicer or as a pre-coat for solid deicers is disclosed. The composition typically includes molasses solids, magnesium chloride, and a corrosion inhibitor. In one implementation the liquid deicer composition includes molasses solids; magnesium chloride, and a corrosion inhibitor.
    Type: Application
    Filed: August 1, 2002
    Publication date: February 5, 2004
    Inventors: Robert Scott Koefod, Richard Hunt Rose
  • Publication number: 20020171062
    Abstract: A liquid deicer composition suitable for use as a deicer or as a pre-coat for solid deicers is disclosed. The composition typically includes molasses solids, magnesium chloride, and a corrosion inhibitor. In one implementation the liquid deicer composition includes molasses solids; magnesium chloride, and a corrosion inhibitor.
    Type: Application
    Filed: May 9, 2002
    Publication date: November 21, 2002
    Applicant: Cargill, Incorporated
    Inventors: Robert Scott Koefod, Richard Hunt Rose
  • Patent number: 6478971
    Abstract: A simple, effective, cost-efficient method of precipitating sulfate in an aqueous salt solution and removing the precipitate from the solution. The steps of the method include diluting the solution and slowly adding a precipitant to the solution. By following this method, a sulfate precipitate settles out of the solution quantitatively and can be easily separated from the sulfate-free supernatant.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: November 12, 2002
    Assignee: Cargill, Incorporated
    Inventors: Robert Scott Koefod, Richard Hunt Rose, III
  • Patent number: 6398979
    Abstract: A liquid deicer composition suitable for use as a deicer or as a pre-coat for solid deicers is disclosed. The composition typically includes molasses solids, magnesium chloride, and a corrosion inhibitor. In one implementation the liquid deicer composition includes molasses solids; magnesium chloride, and a corrosion inhibitor.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: June 4, 2002
    Assignee: Cargill, Incorporated
    Inventors: Robert Scott Koefod, Richard Hunt Rose, III
  • Publication number: 20010032962
    Abstract: A liquid deicer composition suitable for use as a deicer or as a pre-coat for solid deicers is disclosed. The composition typically includes molasses solids, magnesium chloride, and a corrosion inhibitor. In one implementation the liquid deicer composition includes molasses solids; magnesium chloride, and a corrosion inhibitor.
    Type: Application
    Filed: February 27, 2001
    Publication date: October 25, 2001
    Inventors: Robert Scott Koefod, Richard Hunt Rose