Patents by Inventor Gerald Charles Tustin

Gerald Charles Tustin 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 vinyl acetate
    Patent number: 5731456
    Abstract: This invention pertains to the preparation of vinyl acetate by contacting a mixture of hydrogen and ketene with a heterogeneous catalyst containing a transition metal to produce acetaldehyde, which is then reacted with ketene in the presence of an acid catalyst to produce vinyl acetate.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: March 24, 1998
    Assignee: Eastman Chemical Company
    Inventors: Gerald Charles Tustin, Joseph Robert Zoeller, Leslie Sharon Depew
  • Process for the preparation of vinyl acetate
    Patent number: 5719315
    Abstract: This invention pertains to the preparation of vinyl acetate by contacting within a contact zone a mixture of ketene and acetaldehyde with an acid catalyst at about one bar pressure and between about 85.degree. and 200.degree. C. and removing the reaction products from the contact zone.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: February 17, 1998
    Assignee: Eastman Chemical Company
    Inventors: Gerald Charles Tustin, Joseph Robert Zoeller, Leslie Sharon Depew
  • 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
  • Preparation of acetaldehyde
    Patent number: 5679870
    Abstract: Disclosed is a process for the preparation of acetaldehyde by the hydrogenation of ketene in the presence of a transition metal hydrogenation catalyst.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: October 21, 1997
    Assignee: Eastman Chemical Company
    Inventors: Gerald Charles Tustin, Leslie Sharon Depew