Patents by Inventor Robert E. Keay

Robert E. Keay 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).

  • Water aided catechol etherification
    Patent number: 4618728
    Abstract: A method is disclosed for facilitating selective etherification of catechol with methallyl chloride in the absence of an etherification catalyst, in which there is employed a solvent system comprising an aliphatic ketone and an etherification aiding amount of water.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: October 21, 1986
    Assignee: FMC Corporation
    Inventors: Philip B. Hobson, Robert E. Keay
  • Preparation of carbamates
    Patent number: 4272441
    Abstract: Carbamates are prepared in one step by reacting an alcohol, phosgene, and an amine in the absence of an acid scavenger.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: June 9, 1981
    Assignee: FMC Corporation
    Inventors: Robert E. Keay, Edward F. Orwoll, John A. Price