Patents by Inventor Lewis H. Bowers

Lewis H. Bowers 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).

  • ABS-formaldehyde novolak
    Patent number: 4094834
    Abstract: An acrylonitrile-butadiene-styrene terpolymer is added to a phenol formaldehyde novolak to produce a mixture which materially increases the resistance to peelback as compared to the phenol formaldehyde novolak alone when used as a shell process foundry resin.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: June 13, 1978
    Assignee: Schenectady Chemicals, Inc.
    Inventors: Lewis H. Bowers, Raymond E. Jankowski, John L. Sullivan
  • Novolak-ABS binder for a grinding wheel
    Patent number: 4083891
    Abstract: An acrylonitrile-butadiene-styrene terpolymer is added to a phenol formaldehyde novolak to form a grinding wheel binder imparting increased flexural strength to the grinding wheel.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: April 11, 1978
    Assignee: Schenectady Chemicals, Inc.
    Inventors: Lewis H. Bowers, Raymond E. Jankowski, John L. Sullivan
  • Novolak-ABS resin binder in a grinding wheel
    Patent number: 4083700
    Abstract: An acrylonitrile-butadiene-styrene terpolymer is added to a phenol formaldehyde novolak to form a grinding wheel binder imparting increased flexural strength to the grinding wheel.
    Type: Grant
    Filed: January 3, 1974
    Date of Patent: April 11, 1978
    Assignee: Schenectady Chemicals, Inc.
    Inventors: Lewis H. Bowers, Raymond E. Jankowski, John L. Sullivan
  • ABS-formaldehyde novolak
    Patent number: 3944510
    Abstract: An acrylonitrile-butadiene-styrene terpolymer is added to a phenol formaldehyde novolak to produce a mixture which materially increases the resistance to peelback as compared to the phenol formaldehyde novolak alone when used as a shell process foundry resin.
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: March 16, 1976
    Assignee: Schenectady Chemicals, Inc.
    Inventors: Lewis H. Bowers, Raymond E. Jankowski, John L. Sullivan