Patents by Inventor Donald Ray Thomas

Donald Ray Thomas 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).

  • Coating agent and coated particulate fertilizers
    Publication number: 20030172700
    Abstract: A coated fertilizer is provided along with a method for producing the coated fertilizer, where the coated fertilizer has a coating made of at least one amine compound which is a primary, secondary or tertiary, straight or branched hydrocarbon chain amine or an amine containing a cyclic hydrocarbon radical and; a microcrystalline wax, a paraffin wax or a soft synthetic wax.
    Type: Application
    Filed: October 21, 2002
    Publication date: September 18, 2003
    Applicant: MISSISSIPPI CHEMICAL CORPORATION
    Inventors: Donald Ray Thomas, Corinne Grady Ciaccio, Kerry Collins
  • Coating agent and coated particulate fertilizers
    Patent number: 6475259
    Abstract: A coated fertilizer is provided along with a method for producing the coated fertilizer, where the coated fertilizer has a coating made of at least one amine compound which is a primary, secondary or tertiary, straight or branched hydrocarbon chain amine or an amine containing a cyclic hydrocarbon radical and; a microcrystalline wax, a paraffin wax or a soft synthetic wax.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: November 5, 2002
    Assignee: Mississippi Chemical Corporation
    Inventors: Donald Ray Thomas, Corinne Grady Ciaccio, Kerry Collins
  • Moving bed dryer
    Patent number: 6328099
    Abstract: Free-flowing solid particles are dried in a moving bed dryer by passing the particles adjacent to a heat exchanger plate containing a heated fluid while passing a dehumidified gas into the solid particles from a gas flow manifold in the heat exchanger plate.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: December 11, 2001
    Assignee: Mississippi Chemical Corporation
    Inventors: George Allen Hilt, Donald Ray Thomas