Patents Represented by Attorney John D. DeLong
  • Patent number: 8336591
    Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising: at least one diene based elastomer; and a reinforcing amount of at least two fillers comprising carboxymethylcellulose and at least one of silica and carbon black.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: December 25, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Klaus Unseld, Annette Lechtenboehmer, Hans-Bernd Fuchs, Claude Ernest Felix Boes, Ralf Mruk
  • Patent number: 8312905
    Abstract: The invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, expressed as parts by weight per 100 parts by weight of elastomer (phr), (A) 30 to 70 phr of a first styrene-butadiene rubber, (B) 20 to 60 phr of a second styrene-butadiene rubber, (C) 5 to 20 phr of cis-1,4 polybutadiene having a Tg of from ?110° C. to ?90° C.; (D) 30 to 60 phr of processing oil; (E) 5 to 20 phr of carbon black having an Iodine absorption ranging from 130 to 210 g/kg according to ASTM D-1510 and an oil absorption ranging from 110 to 140 cc/100 g according to ASTM D-2414; (F) 80 to 130 phr of silica; (G) 0.5 to 20 phr of a sulfur containing organosilicon compound; and (H) 5 to 20 phr of resin.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: November 20, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Pascal Patrick Steiner, Marc Weydert, Christian Jean-Marie Kaes
  • Patent number: 8302643
    Abstract: A pneumatic tire having a rubber tread of a cap/base construction comprised of an outer rubber tread cap layer containing an outer running surface and an underlying rubber tread base layer, wherein said tread cap layer is comprised of a plurality of circumferential, longitudinal rubber tread cap zones of graduated physical properties, wherein said tread cap zones individually extend from said tread cap running surface radially inward to said tread base layer; wherein said tread cap zones are comprised of two primary tread cap zones and one central tread cap zone; wherein said central tread cap zone is positioned between said primary tread cap zones and spans at least 14 percent of the total running surface of the tread cap layer, wherein said primary tread cap zones are of substantially equal widths and collectively span at least 50 percent of the total running surface of the tread cap layer.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: November 6, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Jennifer Lyn Ryba, Rachel Tamar Graves, Matthew Jeremy List, Nicholas John Hill
  • Patent number: 8299165
    Abstract: The present invention is directed to pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising: at least one diene-based rubber; and from 1 to 50 phr of a particulate polyamide having a particle size of from 0.1 to 1 micron, wherein the particulate polyamide is substantially spherical and wherein the particulate polyamide has a melting temperature greater than 210° C. as measured by ISO 11357.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 30, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ralf Mruk, Giorgio Agostini, Annette Lechtenboehmer, Frank Schmitz, Claude Schweitzer, Georges Marcel Victor Thielen
  • Patent number: 8277898
    Abstract: The present invention is directed to a camouflage tire suitable for use in various vehicle use environments wherein it is desirable to reduce or eliminate a viewer's visual perception of the tire against the given environmental background.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: October 2, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: David John Zanzig, David Andrew Benko, James Joseph Nespo, Terry John Waibel, Michael Julian Crawford, Timothy Michael Rooney, Bina Patel Botts, George Frank Balogh
  • Patent number: 8268436
    Abstract: The present invention is directed to a pneumatic tire comprising one or more indicia formed from an elastomeric coating composition comprising a diene based elastomer and from 1 to 100 parts by weight, per 100 parts by weight of elastomer, of a nanoparticle comprising an inner core of an inorganic magnetic material at least partially covered by an outer layer of silica.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: September 18, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Rene Jean Zimmer, Claude Ernest Felix Boes, Georges Koster, Hans-Bernd Fuchs, Klaus Unseld, Wolfgang Albert Lauer
  • Patent number: 8261796
    Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer, of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm and a thickness ranging from 10 to 30 microns, and from 1 to 30 parts by weight, per 100 parts by weight of elastomer, of an epoxidized palm oil.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: September 11, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ralf Mruk, Serge Julien Auguste Imhoff, Julia Martine Francoise Claudine Tahon, Annette Lechtenboehmer, Frank Schmitz
  • Patent number: 8215350
    Abstract: The invention is directed to a pneumatic radial ply truck tire having a tread with a tread depth D, at least two circumferential grooves dividing the tread into at least a first shoulder circumferential rib, an intermediary circumferential rib, and a second shoulder circumferential rib, the tire being characterized by the tread having a base region disposed at depth D and a cap region over the base region, the base region and the cap region adjoining along a boundary, the cap region comprising a cap rubber composition having properties measured at 23° C. of: elongation of 400 to 500%, true tensile of 77 to 83 MPa, 300% modulus of 9 to 11 MPa, tensile strength of 14 to 15 MPa, shore A hardness of 63 to 68, rebound of 20 to 25%; and the base region comprising a base rubber composition having properties measured at 23° C. of: elongation of 470 to 520%, true tensile of 135 to 150 MPa, 300% modulus of 13 to 15.5 MPa, tensile strength of 22 to 25 MPa, shore A hardness of 63 to 67, rebound 50 to 55%.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: July 10, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Daniel Roder, Tom Dominique Linster, Fahri Ozel
  • Patent number: 8168709
    Abstract: The present invention is directed to a method of processing a rubber composition, comprising the steps of mixing at least one diene base elastomer with at least one additive selected from the group consisting of fillers, to a final temperature of about 150 to about 160° C. in a first non-productive mix step to form a first non-productive mix; cooling the first non-productive mix to a temperature of about 60 to about 90° C.; mixing the first non-productive mix with 0.1 to 10 parts by weight, per 100 parts by weight of elastomer, of a treated short aramid fiber having a length ranging from 1 to 10 mm and having a thickness ranging from 5 to 15 microns and comprising 3 to 40 percent by weight of a peroxide radical initiator in a second non-productive mix step to a final temperature of about 150 to about 160° C. to form a second non-productive mix; and mixing the second non-productive mix with curatives in a productive mix step to form a productive mix.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: May 1, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Claude Schweitzer, Lars Gebert, Fahri Ozel, Lothar Braun, Uwe Ernest Frank, Annette Lechtenboehmer
  • Patent number: 8143344
    Abstract: The present invention is further directed to a method of producing a particulate composite of silica and elastomer comprising the steps of dispersing a diene based elastomer in a hydrophobic liquid to form an elastomer dispersion; mixing the elastomer dispersion with an aqueous solution of an alkali metal silicate to form a mixture; adding a precipitating agent to the mixture to precipitate a porous silica onto the dispersed elastomer to form a particulate composite of silica and elastomer comprising a porous silica shell at least partially surrounding a core of diene based elastomer; and optionally adding a separating agent to remove the hydrophobic liquid from the particulate composite.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: March 27, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Georges Koster, Wolfgang Lauer
  • Patent number: 8143338
    Abstract: The present invention is directed to a cement composition for rubber and tire fabrication, comprising: 100 phr of an elastomer, and from 500 to 4000 phr of an organic solvent having a vapor pressure of less than 0.01 kPa at 20° C.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: March 27, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Manuela Pompei, Philippe Nicolas Joseph Renard, Gilles Hartenstein
  • Patent number: 8127815
    Abstract: The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of apexes, flippers and chippers, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm having a thickness ranging from 10 to 30 microns, and from 1 to 50 phr of an epoxidized polyisoprene having a number-average molecular weight of 5000 to 100000.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: March 6, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ralf Mruk, Serge Julien Auguste Imhoff, Julia Martine Francoise Claudine Tahon, Annette Lechtenboehmer, Frank Schmitz
  • Patent number: 8053510
    Abstract: The present invention is directed to a pneumatic tire having a wire-reinforced component comprising (A) a metallic wire; and (B) a rubber composition contacting the wire, the rubber composition comprising (1) a diene based elastomer; and (2) from 2 to 20 phr of at least one carboxylic acid selected from the group consisting of salicylic acid and dithiodipropionic acid.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: November 8, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Erik Paul Sandstrom, Paul Harry Sandstrom
  • Patent number: 8048941
    Abstract: The present invention is directed to a particulate composite of silica and elastomer comprising a porous silica shell at least partially surrounding a core of diene based elastomer, with at least part of the elastomer extending through at least some of the pores of the porous silica shell.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: November 1, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Georges Koster, Wolfgang Lauer
  • Patent number: 7968631
    Abstract: The present invention is directed to a pneumatic tire having at least one component including a sulfur vulcanizable rubber composition, the rubber composition including at least one diene based rubber and at least one zinc naphthalocyanine compound.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: June 28, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Carlo Kanz, Uwe Ernst Frank
  • Patent number: 7968630
    Abstract: The present invention is directed to a pneumatic tire having at least one component including a sulfur vulcanizable rubber composition, the rubber composition including at least one diene based rubber and at least one zinc porphyrin compound.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: June 28, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Carlo Kanz, Uwe Ernst Frank
  • Patent number: 7897662
    Abstract: A pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising the rubber composition comprising a diene based elastomer, from 1 to 30 parts by weight per 100 parts by weight of diene based elastomer (phr) of cellulose fiber, and from 1 to 20 phr of a substituted polyisoprene comprising units of formula I, wherein —R comprises hydrogen and a substituent group of structure II wherein the number of substituent groups of structure II occurring per substituted polyisoprene molecule ranges from 1 to 5, and the weight average molecular weight of the substituted polyisoprene ranges from 20000 to 30000.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: March 1, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Maurice Peter Catharina Jozef Klinkenberg, Georges Marcel Victor Thielen
  • Patent number: 7896633
    Abstract: This invention relates to an expandable curing bladder for use in curing rubber products; the bladder comprising an inner layer and an outer layer bonded to the first layer; the inner layer comprising a rubber composition comprised of, based on parts weight per 100 parts by weight rubber (phr): an isobutylene copolymer rubber selected from butyl rubber and/or halobutyl rubber, wherein said butyl rubber comprises a copolymer of isobutylene and isoprene which contains from about 0.5 to about 5 weight percent units derived from isoprene; wherein said halobutyl rubber is a halogenated butyl rubber comprises a chlorinated or brominated copolymer of isobutylene and isoprene which contains from about 0.5 to about 5 weight percent units derived from isoprene; and the outer layer comprising a rubber composition comprising a silicon rubber.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: March 1, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Giorgio Agostini, Filomeno Gennaro Corvasce, Massimo Di Giacomo Russo
  • Patent number: 7897664
    Abstract: The present invention relates to a pneumatic tire having a component comprising at least one elastomer containing olefinic unsaturation; and compound of formula I wherein: R1, R3, R4, R5, R6, and R8 are each independently hydrogen, alkyl, aryl, halogen, or substituted or unsubstituted oxygen, nitrogen or sulfur atoms; R2 is hydrogen, alkyl, aryl, or is absent; R7 is substituted or unsubstituted oxygen, nitrogen, sulfur, or halogen; R9, R10, R11 and R12 are each independently hydrogen, alkyl, aryl, halogen, nitro or substituted or unsubstituted oxygen, nitrogen or sulfur atoms; and X is oxygen, sulfur, or nitrogen.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: March 1, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Rene Jean Zimmer, Hans-Bernd Fuchs, Georges Koster, Claude Ernest Felix Boes, Wolfgang Albert Lauer
  • Patent number: 7855243
    Abstract: The present invention is directed to a pneumatic tire including at least one component, the at least component including a rubber composition, the rubber composition including 100 parts by weight of a diene based elastomer and from 1 to 20 parts by weight, per 100 parts by weight of elastomer (phr), of a solvent-extracted asphaltene.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: December 21, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Carlo Kanz, Uwe Ernst Frank, Wolfgang Albert Leo Loesslein