Patents Represented by Attorney, Agent or Law Firm Bruce J Hendricks
  • Asymmetrical siloxy compounds
    Patent number: 6096832
    Abstract: The present invention relates to asymmetrical siloxy compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R.sup.4 is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; and n is an integer of from 1 to 8.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: August 1, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Thierry Florent Edme Materne, Giorgio Agostini, Friedrich Visel, Martin Paul Cohen
  • Asymmetrical siloxy compounds
    Patent number: 6084014
    Abstract: The present invention relates to asymmetrical siloxy compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R.sup.4 is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl-substituted arylene groups having from 6 to 10 carbon atoms; n is an integer of from 2 to 8 and X is selected from the group consisting of ##STR2## and R.sup.5 is selected from the group consisting of alkyl groups having from 1 to 15 carbon atoms, aryl and alkyl substituted aryl groups having 6 to 10 carbon atoms.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: July 4, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Thierry Florent Edme Materne, Rene Jean Zimmer, Friedrich Visel, Uwe Ernst Frank, Giorgio Agostini
  • Coated multi-filament reinforcing carbon yarn
    Patent number: 6077606
    Abstract: A coated multi-filament reinforcing carbon yarn is encapsulated with a rubber composition. The rubber composition comprises resorcinol-formaldehyde reaction product, a vinylpyridine-styrene butadiene terpolymer, an acrylonitrile-butadiene copolymer and urea.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: June 20, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: James Gregory Gillick, Cecil Bennett, Jr.
  • Rubber article containing sodium thiosulfate pentahydrate
    Patent number: 6077912
    Abstract: A method is disclosed for processing a rubber composition comprising thermomechanically mixing at a rubber temperature in a range of 140.degree. C. to 190.degree. C. for a mixing time of 1 to 20 minutes(i) 100 parts by weight of at least one sulfur vulcanizable elastomer selected from conjugated diene homopolymers and copolymers, natural rubber and copolymers of at least one conjugated diene and aromatic vinyl compound;(ii) 10 to 250 phr of particulate precipitated silica;(iii) 0.01 to 1.0 parts by weight per weight of said silica of an organosilicon compound; and(iv) 0.05 to 10 phr of sodium thiosulfate pentahydrate.Addition of the sodium thiosulfate pentahydrate to sulfur vulcanizable rubber, silica and sulfur containing organosilicon compound decreases the mixing/processing time without sacrificing end product properties.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: June 20, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, David John Zanzig, Shingo Futamura
  • Process for improving the properties of ground recycled rubber
    Patent number: 6077874
    Abstract: A process involving (a) homogeneously dispersing tris(2-aminoethyl) amine in a recycled rubber having an individual particle size no greater than 420 microns, (b) mixing the treated recycled rubber with unvulcanized rubber and (c) vulcanizing the rubber mixture.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: June 20, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, George Frank Balogh, Raymond Dean McQuate, Paul Harry Sandstrom
  • Rubber compounds containing aromatic ketone polysulfides
    Patent number: 6075096
    Abstract: The present invention relates to rubber compounds containing aromatic ketone polysulfides of the formula: ##STR1## wherein R is selected from the group consisting of alkyls having from 1 to 18 carbon atoms and x is an integer of from 2 to 8.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: June 13, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Shingo Futamura
  • Thermomechanically mixing rubber compounds containing an alkyl (C.sub.12 -C.sub.22) ester of a fatty acid
    Patent number: 6057392
    Abstract: A method is disclosed for processing a rubber composition comprising thermomechanically mixing the rubber composition while maintaining a rubber temperature in a range of from 160.degree. C. to 190.degree. C. for a period of time ranging from 4 to 8 minutes, wherein said rubber composition is characterized by(i) 100 parts by weight of at least one sulfur vulcanizable elastomer containing olefinic unsaturation;(ii) 10 to 250 phr of a filler selected from the group consisting of silica, carbon black and mixtures thereof; and(iii) 0.5 to 50 phr of an ester of the formula: ##STR1## wherein R.sup.1 is selected from the group consisting of alkyls having from 16 to 18 carbon atoms and alkenyls and alkadienyls having from 16 to 18 carbon atoms; and R.sup.2 is selected from the group consisting of alkyls having from 12 to 22 carbon atoms.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: May 2, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Paul Harry Sandstrom
  • Titanate compounds in rubber compositions
    Patent number: 6048943
    Abstract: The present invention relates to titanate compounds of the formula ##STR1## wherein R is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms and x is an integer of from 2 to 8.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: April 11, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Edward John Blok, Lawson Gibson Wideman, Paul Harry Sandstrom, Mark Leslie Kralevich, Jr.
  • Metallic 4+3 cord for the reinforcement of elastomers
    Patent number: 6041839
    Abstract: A metallic cord for the reinforcement of elastomers has a 4+3 construction wherein the diameter of each filament ranges from 0.35 to 0.50 mm. The lay length of the four filaments in the core may be infinity. A pneumatic tire has a belt structure of at least two radially overlapped layers of elastomeric materials reinforced with metallic cords, each metallic cord of at least one of the layers being the 4+3 metallic cord.
    Type: Grant
    Filed: January 19, 1998
    Date of Patent: March 28, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Murat Yasar Ahmet Susutoglu
  • Bis(hydroxyalkyl alky lester) polysulfides
    Patent number: 6040389
    Abstract: The present invention relates to bis(hydroxyalkyl alkyl ester) polysulfides of the formula ##STR1## where R.sup.1 is independently selected from alkylene groups having 1 to 8 carbon atoms, R.sup.2 is independently selected from alkylene groups having 2 to 6 carbon atoms and x is an integer of from 2 to 8. These polysulfides are particularly suited for use in rubber compositions.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: March 21, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Paul Harry Sandstrom
  • Pneumatic tire having an innerliner of a cured rubber compound containing trans 1,4-polybutadiene rubber
    Patent number: 6024146
    Abstract: The present invention relates to a pneumatic rubber tire having an integral innerliner of a sulfur cured rubber compound. The rubber compound is characterized by, based on 100 parts of ruber, (A) from about 70 to 98 parts by weight of bromobutyl rubber, (B) from 2 to 30 parts by weight of a trans 1,4-polybutadiene rubber having at least a 65 percent trans 1,4-content; and (C) from 0 to 28 parts by weight of a rubber selected from the group consisting of an acrylonitrile/butadiene copolymer, styrene/butadiene copolymer, natural rubber and mixtures thereof.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: February 15, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Paul Harry Sandstrom, Raymond Benjamin Roennau
  • Rubber compositions containing bis anil compounds
    Patent number: 6015851
    Abstract: The present invention relates to rubber compositions containing an elastomer containing olefinic unsaturation and a bis anil compound of the formula ##STR1## where R.sup.1 and R.sup.2 may be the same or different and are independently selected from alkyls having from 1 to 5 carbon atoms and X is selected from the group consisting of H; OH; OAlk where Alk is an alkyl having from 1 to 3 carbon atoms; COOH and; COO.sup.- M.sup.+ where M is a metal selected from the group consisting of Zn, Na, Ca and Mg; and y is 0 to 2.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: January 18, 2000
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Neil Arthur Maly, Lawson Gibson Wideman, Lewis Timothy Lukich
  • Rubber compositions containing a carboxymaleimidophenyl ester
    Patent number: 5990210
    Abstract: The present invention relates to rubber compositions containing an elastomer having olefinic unsaturation and a carboxymaleimidophenyl ester of the formula ##STR1## wherein R.sup.1 is selected from the group alkyls having from 1 to 8 carbon atoms and aryls having from 6 to 10 carbon atoms; and R.sup.2 and R.sup.3 may be the same or different and are selected from the group consisting of hydrogen, halogen and alkyls having from 1 to 8 carbon atoms.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: November 23, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Paul Harry Sandstrom
  • 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
  • Rubber compounds containing polymeric bis-succinimide polysulfides
    Patent number: 5981662
    Abstract: The present invention relates to rubber compounds containing polymeric bis-succinimide polysulfides of the formula: ##STR1## wherein R is selected from the group consisting of phenylene and xylylene; R.sup.1 is selected from the group consisting hydrogen and alkyls having from 1 to 18 carbon atoms; x is an integer of from 2 to 8 and y is an integer of from 2 to 10.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: November 9, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Michael D'Sidocky, Lawson Gibson Wideman
  • Rubber compositions containing a disodium salt of 2,2'-dithiosalicyclic acid
    Patent number: 5961755
    Abstract: The present invention relates to rubber compositions containing a disodium salt of 2,2'-dithiosalicyclic acid of the formula: ##STR1##
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: October 5, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Paul Harry Sandstrom, Lawson Gibson Wideman
  • Dry resin made from an emulsion polymerized thermoplastic latex
    Patent number: 5962614
    Abstract: A process for finishing latex to form a dry resin and the resulting product. The process includes coagulating a latex of a thermoplastic polymer at a temperature at or just above the agglomeration temperature of the resin, dewatering the resin slurry to form a resin cake, drying the resin cake using extrusion technology to form a resin melt and solidifying the resin melt to form the resin. Preferred processes of the invention also include finishing the resin, such as by pelletizing and/or grinding it. More preferred processes of the invention include collecting and neutralizing the aqueous liquid byproducts from the dewatering and drying steps of the process. One embodiment of the invention includes utilizing water to solidify the resin melt, pelletizing the resin and drying the pellets.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: October 5, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Gary Lee Burroway, Lance Walter Lewis, John Charles Ullemeyer, Robert Donald Mate
  • Rubber compositions containing N-(4-hydroxyphenyl) stearamide
    Patent number: 5962562
    Abstract: The present invention relates to rubber compositions containing N-(4-hydroxyphenyl) stearamide. The presence of N-(4-hydroxyphenyl) stearamide improves the physical properties of the rubber including flex fatigue resistance.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: October 5, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Sharon Patricia Carmickle-Seibert, Paul Harry Sandstrom
  • Rubber compounds containing a sulfur containing bis-succinimide
    Patent number: 5922792
    Abstract: The present invention relates to rubber compounds containing a sulfur containing bis-succinimide of the formula: wherein R is selected from the group consisting of hydrogen and alkyls having from 1 to 18 carbon atoms and x is an integer of from 1 to 8.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: July 13, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Paul Harry Sandstrom
  • Na, K and Li salts of siloxy compounds
    Patent number: 5916973
    Abstract: The present invention relates to compounds of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are independently selected from alkoxy radicals having from 1 to 8 carbon atoms, x is O or an integer of from 1 to 10; and Y is Li, K or Na. These compounds may be used as silica couplers in rubber compositions.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: June 29, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Rene Jean Zimmer, Friedrich Visel, Uwe Ernst Frank, Thierry Florent Edme Materne