Patents by Inventor Dale A. Raines

Dale A. Raines 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).

  • Production of monoglycols from alkylene carbonates
    Patent number: 4237324
    Abstract: Alkylene glycols are produced from alkylene carbonates by hydrolysis in the presence of water at temperatures of from about 80.degree. to about 200.degree. C. Catalysts, such as alumina, are employed at temperatures from 80.degree. to about 150.degree. C. and only slightly greater than the stoichiometric amount of water is employed to allow the most efficient use of the process.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: December 2, 1980
    Assignee: The Dow Chemical Company
    Inventors: Dale A. Raines, Oliver C. Ainsworth
  • Ethylene carbonate process
    Patent number: 4233221
    Abstract: An improved process for making ethylene carbonate wherein ethylene oxide and carbon dioxide are passed over an anion exchange resin catalyst and wherein the ethylene oxide and carbon dioxide reactants are absorbed from the effluent of an ethylene oxide reactor, desorbed and used as feed to the ethylene carbonate plant without further purification.
    Type: Grant
    Filed: October 24, 1979
    Date of Patent: November 11, 1980
    Assignee: The Dow Chemical Company
    Inventors: Dale A. Raines, Oliver C. Ainsworth