Patents by Inventor John W. Tobias

John W. Tobias 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).

  • Degradable plastic
    Patent number: 4101720
    Abstract: There is disclosed a novel degradable plastic composition consisting of an organic polymeric material, said material having dispersed therein at least one organic derivative of a transition metal and at least one readily autoxidizable organic material.
    Type: Grant
    Filed: January 2, 1976
    Date of Patent: July 18, 1978
    Assignee: Owens-Illinois, Inc.
    Inventors: Lynn J. Taylor, John W. Tobias
  • Protective polymeric coating for glass substrate
    Patent number: 4086373
    Abstract: In accordance with this invention, a chemically convertible polymeric coating composition is applied to the surface of a glass substrate and subsequently converted to a crosslinked coating by the application of UV light or another form of energy. The polymeric coating composition contains at least two basic components:(1) a rubbery thermoplastic organic polymer; and(2) an organic photosensitizer.
    Type: Grant
    Filed: April 2, 1975
    Date of Patent: April 25, 1978
    Assignee: Owens-Illinois, Inc.
    Inventors: John W. Tobias, Lynn J. Taylor
  • Composition and process
    Patent number: 4056665
    Abstract: There are disclosed novel photodegradable polymeric or plastic compositions comprising at least one organic polymer or copolymer and at least two different aromatic carbonyl photosensitizers.
    Type: Grant
    Filed: May 24, 1974
    Date of Patent: November 1, 1977
    Assignee: Owens-Illinois, Inc.
    Inventors: Lynn J. Taylor, John W. Tobias
  • Controlled environmental deterioration of plastics
    Patent number: 4051306
    Abstract: There is disclosed the preparation of a degradable polymeric material consisting essentially of an organic polymeric base containing a degradation-promoting amount of a partially degraded organic polymer. The organic polymeric base and the degradation-promoting additive may be derived from the same or different polymers. The invention is especially useful in controlling the environmental deterioration of plastics. The rate of deterioration is a function of the environmental conditions such as light, oxygen, and temperature; the concentration of the additive; and the chemical structure(s) of both the base and the additive.
    Type: Grant
    Filed: February 12, 1976
    Date of Patent: September 27, 1977
    Assignee: Owens-Illinois, Inc.
    Inventors: John W. Tobias, Lynn J. Taylor, Stuart J. Gaumer
  • Environmentally degradable polymer compositions
    Patent number: 4048410
    Abstract: There are disclosed novel degradable plastic compositions consisting essentially of an organic polymer containing at least one organic chelating agent. The agent is one which chelates metal so as to form a metal complex which acts to accelerate polymer degradation in the presence of oxygen, electromagnetic radiation, and/or elevated temperature. This invention is especially useful in the preparation of degradable packaging materials such as films, bags, containers, etc.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: September 13, 1977
    Assignee: Owens-Illinois, Inc.
    Inventors: Lynn J. Taylor, John W. Tobias
  • Degradable plastics containing dual-function additive system
    Patent number: 3941759
    Abstract: There is disclosed a photoresistive plastic composition degradable by ultraviolet radiation, the composition comprising an organic polymeric material having dispersed therein a degradation controlling amount of an additive system consisting essentially of at least one organic photosensitizer and at least one organic derivative of a transition metal.
    Type: Grant
    Filed: October 23, 1973
    Date of Patent: March 2, 1976
    Assignee: Owens-Illinois, Inc.
    Inventors: Lynn J. Taylor, John W. Tobias