Patents by Inventor James Jerry Spivey

James Jerry Spivey 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).

  • Preparation of .alpha.,.beta.-unsaturated carboxylic acids and esters
    Patent number: 5808148
    Abstract: Disclosed is a process for the preparation of .alpha.,.beta.-unsaturated carboxylic acids and esters thereof which comprises contacting formaldehyde or a source of formaldehyde with a carboxylic acid, ester or anhydride in the presence of a catalyst comprising an oxide of niobium.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: September 15, 1998
    Assignee: Eastman Chemical Company
    Inventors: Makarand Ratnakar Gogate, James Jerry Spivey, Joseph Robert Zoeller
  • Preparation of .alpha., .beta.-unsaturated carboxylic acids and anhydrides
    Patent number: 5710328
    Abstract: Disclosed is a process for the preparation of .alpha.,.beta.-unsaturated carboxylic acids and anhydrides thereof which comprises contacting formaldehyde or a source of formaldehyde with a carboxylic anhydride in the presence of a catalyst comprising mixed oxides of vanadium, phosphorus and, optionally, a third component selected from titanium, aluminum or, preferably silicon.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: January 20, 1998
    Assignee: Eastman Chemical Company
    Inventors: James Jerry Spivey, Makarand Ratnakav Gogate, Joseph Robert Zoeller, Gerald Charles Tustin