Patents Represented by Attorney J. D. Wolfe

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  • 2,2'-Dithiodianiline cured polyurethane
    Patent number: 4088636
    Abstract: An improved polyurethane obtained by reacting 3,3'-dimethyldiphenyl methane-4,4'-diisocyanate with a polyether polyol and curing with 2,2'-dithiodianiline in the presence of a catalytic amount of triethylene diamine.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: May 9, 1978
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Michael E. Kimball
  • Method of reducing the .alpha.-acetylene content of hydrocarbon
    Patent number: 4087477
    Abstract: Hydrocarbon fraction containing diolefins and .alpha.-acetylenes are treated with base-modified catalyst to reduce the .alpha.-acetylene content. The base-modified catalyst comprises a support such as alumina containing an alkali metal hydroxide and related bases.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: May 2, 1978
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: James J. Tazuma, Angelo Bergomi
  • Contoured foam mattress
    Patent number: 4073020
    Abstract: A foam mattress having a crown area with cored-out areas therein to modify the harshness of feel of said mattress.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: February 14, 1978
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Robert J. Stalter, Theodore B. Burkholder
  • Method of zone pouring foam products
    Patent number: 4073839
    Abstract: A foamed article having zones of varying hardness is prepared by moving a shaping means relative to at least two foam pouring means to distribute a foamable mixture over the surface of the shaping means in a fan-shaped pattern in response to the relative motion between the pouring means and the shaper, adjusting the fan-shaped pattern to define zones in the foamed article having the desired physical characteristics.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: February 14, 1978
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Theodore B. Burkholder, Robert J. Stalter, Paul N. Skotynsky
  • Method of forming shaped articles
    Patent number: 4072738
    Abstract: This invention relates to a method of forming shaped articles utilizing liquid functional group polymers compounded with suitable compounding agents to produce mixtures of extremely viscous nature and moving these viscous mixtures to a shaping device without the entrapment of air.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: February 7, 1978
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Robert M. Pierson, John A. Lovell
  • Method for making a flexible mold
    Patent number: 4072673
    Abstract: This invention relates to a flexible mold and a process of making wherein a composition or laminate is formed to give the mold the desired solvent resistance and yet maintain its flexibility.
    Type: Grant
    Filed: November 8, 1971
    Date of Patent: February 7, 1978
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Peter C. Lammers
  • Method of making a tire
    Patent number: 4063979
    Abstract: Method of making a tire having improved resistance to interface separation including the steps of compounding a sulfur curable diene rubber to give a masterbatch, forming said masterbatch into tire components, plying up the tire from said component and curing said tire, the improvement wherein the masterbatch contains 2 to 14 parts of furfural butadiene resin per hundred parts of masterbatch.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: December 20, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Ronald L. Rongone
  • Method of reducing .alpha.-acetylene content of hydrocarbon
    Patent number: 4060567
    Abstract: Hydrocarbon fraction containing diolefins and .alpha.-acetylenes are treated with an alkali amide to reduce the .alpha.-acetylene content.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: November 29, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: James J. Tazuma, Angelo Bergomi
  • Ethylenically polyurethane unsaturated composition
    Patent number: 4057431
    Abstract: A liquid ethylenically unsaturated polurethane composition having no free NCO and a viscosity of 2,000 to 10,000 centipoises at 24.degree. C. dispersible in dilute caustic and capable of being polymerized by actinic light to yield a solid having a Shore A hardness of at least 30. Said composition may contain a diluent and a photosensitizing agent to adjust the viscosity and making the composition more readily utilizable for making printing plates.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: November 8, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Anthony F. Finelli, Shirish Jasani, Columbus Williams, Jr.
  • Nonstaining polyurethane from cycloaliphatic or aliphatic diisocyanates and polyhexenediol-phthalates
    Patent number: 4038256
    Abstract: Laminates with staining rubber stocks can be made by adhering to the staining rubber stocks a nondiscoloring and nonstaining polyurethane comprising the reaction product of a mol of polyester of 1800 to 3500 molecular weight, 1.3 to 3.2 mols of a cycloaliphatic or an aliphatic diisocyanate and curing with 0.2 to 2.0 mols of an organic diamine or polyol of the nonstaining type, the polyester being polyhexanediol-ortho-phthalate or a blend of 50 to 80 percent of polyhexanediol-ortho-phthalate and 50 to 20 percent of polyhexanediol isophthalate.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: July 26, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Anthony F. Finelli, Jeffrey W. Saracsan
  • Mold release agent
    Patent number: 4038088
    Abstract: A mold release agent comprising metallic soaps of the fatty acids in combination with 0.03 to one percent of a polyurethane catalyst selected from secondary and tertiary amines and organic tin compounds.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: July 26, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: John R. White, Ram M. Krishnan, James D. Wolfe
  • Run-flat tire lubricant
    Patent number: 4036765
    Abstract: A lubricant for use with a pneumatic tire wheel assembly containing a run-flat device to permit the tire to run at least 50 miles at 50 miles per hour in the deflated condition, the lubricant comprising a mixture of 2 to 60 parts of fatty acid having from 12 to 24 carbon atoms, 0 to 45 parts metal soap of a fatty acid having from 12 to 24 carbon atoms and 40 to 92 parts of a carrier such as water or a polyol having a carbon to oxygen ratio less than 4 to 1.
    Type: Grant
    Filed: June 11, 1975
    Date of Patent: July 19, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Marvin T. Conger, Roger N. Beers
  • Pneumatic tire having a removable tread ring
    Patent number: 4034789
    Abstract: A pneumatic tire comprising a carrying case and a removable tread ring having an armor member resistant to tension in the longitudinal direction of said tread ring, said tread ring containing a layer of see-through elastomer covering the inside of the armor, a nondiscoloring polyurethane being the preferred see-through elastomer.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: July 12, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Walter W. Curtiss, Jr.
  • Difunctional polymeric dienes
    Patent number: 4034000
    Abstract: This invention relates to a method of making polymeric materials having isocyanate reactive groups by polymerizing conjugated diolefins and other olefins with a lithium catalyst in the presence of an ether consisting of diethyl ether, dimethoxy ethane and tetrahydrofuran, then reacting the lithium polymeric adduct with a functionality imparting compound such as carbon dioxide, ethylene oxide, propylene oxide, aldehydes, ketones and carbon disulfide.
    Type: Grant
    Filed: July 1, 1970
    Date of Patent: July 5, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Emanuel Schoenberg
  • Plasticity index improvers and method of use
    Patent number: 4020026
    Abstract: This invention provides a method of treating rubber in the latex or nonlatex form with polyethylenimine to improve the plasticity and plasticity retention index of the unvulcanized elastomer.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: April 26, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Frits W. Janssen, Edward A. Sinclair
  • Diol curative for polyurethane
    Patent number: 4020001
    Abstract: A polyol curative satisfactory for curing polyurethane reaction mixtures, said curative comprising ethylene glycol and a second diol selected from the class consisting of diethylene glycol, diisopropylene glycol, thio diethylene glycol and diethanol carbamate, ethanol isopropanol carbamate and ethanol diethanol carbamate.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: April 26, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: John R. White
  • Method of compounding rubber
    Patent number: 4018948
    Abstract: This invention relates to a method of adhering polyurethane to a cured rubber stock of the natural or synthetic type, where the rubber was compounded with a sulfur curative of at least one part of a polyol of less than 7000 molecular weight and cured. This composition would be useful for making white sidewalls and related laminates.
    Type: Grant
    Filed: September 4, 1975
    Date of Patent: April 19, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Jeffrey W. Saracsan, Paul H. Sandstrom
  • Polytetramethylene ether urethane cured with 2,2'-diaminodiphenyl disulphide
    Patent number: 4017464
    Abstract: Polytetramethylene ether urethane having improved physical properties is produced by reacting polytetramethylene ether polyol with a toluene diisocyanate containing at least 50 percent 2,4 isomer, reacting at a temperature no greater than about 40.degree. C. to produce a prepolymer and curing the prepolymer with 2,2'-dithio dianiline having the formula ##STR1## at a temperature of 105.degree. C.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: April 12, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Michael E. Kimball
  • Laminates of plasticized PVC and acrylonitrile: alkyl acrylate copolymers
    Patent number: 4010305
    Abstract: A method of making a composition useful for making a copolymer laminate with polyvinyl chloride. The copolymer is an alkyl acrylate or alkyl methacrylate where the alkyl group contains 1 to 30 carbon atoms and vinyl nitrile. Improved adhesion is achieved when 1 to 50 parts of organic isocyanate or polyisocyanate is used per 100 parts of polyvinyl chloride (or 100 parts of copolymer) where the polyvinyl chloride contains high amounts of plasticizer.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: March 1, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Jin-Liang Wang
  • Two-part primer system for FRP bonding
    Patent number: 4004050
    Abstract: An improved adhesion between polyester compositions per se or metals using the isocyanate-type adhesive is obtained by first treating the surface of the polyester composition and/or metal with a first and a second treating agent without regard to sequence where the first treating agent is an organic polyisocyanate and the second treating agent is a tertiary amine.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: January 18, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Thomas G. Rabito, Alvin J. Kieft, Richard L. Cline