Patents by Inventor Leighton Randolph Spadone

Leighton Randolph Spadone 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).

  • TIRE CONTAINING CLOSED CELLULAR RUBBER FOAM IN ITS TIRE CAVITY WHICH CONTAINS DIVERSE CARBON BLACKS
    Publication number: 20100132860
    Abstract: Field of Invention The present invention relates to a pneumatic tire having its internal cavity containing a closed cellular rubber which contains a dispersion of at least two diverse carbon blacks to promote an improved path for thermal conductivity with suitable physical properties for the closed cellular foam rubber.
    Type: Application
    Filed: December 3, 2008
    Publication date: June 3, 2010
    Inventors: Paul Harry Sandstrom, George Frank Balogh, Leighton Randolph Spadone
  • Tire with tread of rubber composition containing diverse carbon blacks
    Patent number: 7337815
    Abstract: The invention relates to a tire with a component composed of a rubber composition containing at least two diverse carbon blacks. In one aspect such tire is a heavy tire and such component is a tread for a heavy tire which contains at least two diverse carbon blacks to aid in providing an improved path for thermal conductivity for a heavy tire with its relatively thick cross section such as, for example, its relatively thick tread.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: March 4, 2008
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Leighton Randolph Spadone, Paul Harry Sandstrom
  • Barrier layer composition
    Patent number: 7335707
    Abstract: A barrier layer composition for a pneumatic tire that contains a mixture of an 4-phenyl isocyanate and sulfur as a crosslinking material, with higher than normal levels of filler or reinforcing material loading. The barrier layer formulation exhibited improved green strength properties, and also improved aged flex life, aged tear, and reversion resistance.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: February 26, 2008
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Leighton Randolph Spadone
  • Halogenated isobutylene rubber composition containing sodium thiosulfate pentahydrate
    Patent number: 6371181
    Abstract: A method is disclosed for increasing the rate of vulcanization of a halogenated isobutylene sulfur rubber composition comprising heating said halogenated isobutylene rubber composition to a temperature ranging from 100° C. to 200° C., wherein said halogenated isobutylene rubber composition contains from 0.05 to 10 phr of sodium thiosulfate pentahydrate.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: April 16, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, Bernard Matthew Bezilla, Jr., Leighton Randolph Spadone, David Michael Smith, Sr., Mark Andrew Marinko
  • Halogenated isobutylene rubber compsition containing sodium thiosulfate pentahydrate
    Publication number: 20020007017
    Abstract: A method is disclosed for increasing the rate of vulcanization of a halogenated isobutylene sulfur rubber composition comprising heating said halogenated isobutylene rubber composition to a temperature ranging from 100° C. to 200° C., wherein said halogenated isobutylene rubber composition contains from 0.05 to 10 phr of sodium thiosulfate pentahydrate.
    Type: Application
    Filed: June 19, 2001
    Publication date: January 17, 2002
    Applicant: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, Bernard Matthew Bezilla, Leighton Randolph Spadone, David Michael Smith, Mark Andrew Marinko
  • Halogenated isobutylene rubber composition containing sodium thiosulfate pentahydrate
    Patent number: 6291595
    Abstract: A method is disclosed for increasing the rate of vulcanization of a halogenated isobutylene sulfur rubber composition comprising heating said halogenated isobutylene rubber composition to a temperature ranging from 100° C. to 200° C., wherein said halogenated isobutylene rubber composition contains from 0.05 to 10 phr of sodium thiosulfate pentahydrate.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: September 18, 2001
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, Bernard Matthew Bezilla, Jr., Leighton Randolph Spadone, David Michael Smith, Sr., Mark Andrew Marinko
  • Rubber compound containing a hydrated thiosulfate and a bismaleimide
    Patent number: 5985963
    Abstract: This invention relates to the discovery that the combination of a hydrated thiosulfate and a bismaleimide compound provides for excellent final rubber vulcanizate physical properties including improved adhesion to aramid reinforcement.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: November 16, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, Leonard James Reiter, Lewis Timothy Lukich, Leighton Randolph Spadone