Patents by Inventor Kenneth E. Simmons

Kenneth E. Simmons 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).

  • Mixed cellulose esters
    Patent number: 5292876
    Abstract: Disclosed are novel species of cellulose acetate butyrates and propionates that have significant surface activity. The cellulose acetate butyrate/propionate contains 9-16 wt. % butyryl or propionyl, 6-11 wt. % acetyl, and 12-15 wt. % hydroxyl.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: March 8, 1994
    Assignee: Eastman Kodak Company
    Inventor: Kenneth E. Simmons
  • Catalyst composition for the hydrogenation of carboxylic acid esters
    Patent number: 5011806
    Abstract: Disclosed are catalyst compositions comprised of chemically-mixed, copper-titanium oxides and the use of such catalyst compositions in the hydrogenation of certain esters to obtain the alcohol corresponding to the acid residue of the ester.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: April 30, 1991
    Assignee: Eastman Kodak Company
    Inventors: Gether Irick, Jr., Patricia N. Mercer, Kenneth E. Simmons
  • Catalyst compositions and the use thereof in the hydrogenation of carboxylic acid esters
    Patent number: 4929777
    Abstract: Disclosed are catalyst compositions comprised of chemically-mixed, copper-titanium oxides and the use of such catalyst compositions in the hydrogenation of certain esters to obtain the alcohol corresponding to the acid residue of the ester.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: May 29, 1990
    Assignee: Eastman Kodak Company
    Inventors: Gether Irick, Jr., Patricia N. Mercer, Kenneth E. Simmons
  • Oxidation of substituted p-xylenes to substituted terephthalaldehydes
    Patent number: 4140722
    Abstract: Substituted terephthalaldehydes are produced by the vapor phase oxidation of similarly substituted p-xylenes in the presence of a catalyst mixture of tungsten in the form of an oxide or silicotungstic acid, molybdenum in the form of an oxide and optionally bismuth in the form of an oxide.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: February 20, 1979
    Assignee: Eastman Kodak Company
    Inventors: James E. Williams, Kenneth E. Simmons
  • Oxidation of p-xylene to terephthalaldehyde
    Patent number: 4017547
    Abstract: Terephthalaldehyde is produced by the vapor phase oxidation of p-xylene in the presence of a catalyst mixture of tungsten in the form of an oxide or silicotungstic acid, molybdenum in the form of an oxide and bismuth in the form of an oxide.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: April 12, 1977
    Assignee: Eastman Kodak Company
    Inventors: Kenneth E. Simmons, James E. Williams