1
Nissim Calderon, Kenneth Floyd Castner, Howard Allen Colvin, Joel Muse Jr: Vapor phase synthesis of rubbery polymers. The Goodyear Tire & Rubber Company, Alvin T Rockhill, July 29, 1997: US05652304 (65 worldwide citation)

By utilizing the vapor phase polymerization techniques of the present invention, numerous distinct and highly beneficial advantages are realized. For instance, cis-1,4-polyisoprene rubber and high cis-1,4-polybutadiene rubber having a consistent and controllable molecular weight can be easily and pr ...


2
Jean Steininger Clites, Howard Allen Colvin, Daniel Frederick Klemmensen: Polymer for asphalt cement modification. The Goodyear Tire & Rubber Company, Alvin Rockhill, November 16, 1999: US05986010 (41 worldwide citation)

This invention discloses a process for synthesizing a styrene-butadiene polymer, which is particularly useful for modifying asphalt to improve force ductility, elastic recovery, toughness and tenacity, by a process which comprises the steps of: (1) continuously charging 1,3-butadiene monomer, an org ...


3
Jean Steininger Clites, Howard Allen Colvin, Ronald David Fiedler: Continuous polymerization process. The Goodyear Tire & Rubber Company, Alvin T Rockhill, September 21, 1999: US05955537 (40 worldwide citation)

This invention discloses a process for synthesizing a styrene-butadiene polymer which comprises the steps of: (1) continuously charging 1,3-butadiene monomer, an organolithium compound, a polar modifier and an organic solvent into a first polymerization zone, (2) allowing the 1,3-butadiene monomer t ...


4
Nissim Calderon, Kenneth Floyd Castner, Howard Allen Colvin, Joel Muse Jr: Vapor phase synthesis of cis-1, 4-Polyisoprene. The Goodyear Tire & Rubber Company, Alvin T Rockhill, May 23, 2000: US06066705 (31 worldwide citation)

By utilizing the vapor phase polymerization techniques of the present invention, numerous distinct and highly beneficial advantages are realized. For instance, cis-1,4-polyisoprene rubber and high cis-1,4-polybutadiene rubber having a consistent and controllable molecular weight can be easily and pr ...


5
Sun Lin Chen, Howard Allen Colvin: Method for preparing elastomer/silica composite. The Goodyear Tire & Rubber Company, Henry C Young Jr, September 5, 2006: US07101922 (13 worldwide citation)

This invention relates to the preparation of a silica reinforced elastomer via preparation of a silica-elastomer masterbatch as a composite of synthetic silica and an emulsion polymerization prepared synthetic elastomer. Such masterbatch is prepared by introducing such silica and a silane into a lat ...


6
Howard Allen Colvin, Michael Leslie Senyek: Emulsion styrene-butadiene rubber. The Goodyear Tire & Rubber Company, Alvin T Rockhill, October 22, 2002: US06469104 (5 worldwide citation)

This invention discloses an emulsion styrene-butadiene rubber (SBR) that can be employed in manufacturing tire tread formulations that have rolling resistance and treadwear characteristics that are similar to those made with solution SBR but with improved traction characteristics. Thus, the emulsion ...


7
Nissim Calderon, Joel Muse Jr, Howard Allen Colvin, Kenneth Floyd Castner: Vapor phase synthesis of rubbery polymers. The Goodyear Tire & Rubber Company, Alvin T Rockhill, January 12, 1999: US05859156 (3 worldwide citation)

By utilizing the vapor phase polymerization techniques of the present invention, numerous distinct and highly beneficial advantages are realized. For instance, cis-1,4-polyisoprene rubber and high cis-1,4-polybutadiene rubber having a consistent and controllable molecular weight can be easily and pr ...


8
Jean Steininger Clites, Howard Allen Colvin, Daniel Frederick Klemmensen: Polymer for asphalt cement modification. The GoodYear Tire & Rubber Company, Alvin T Rockhill, November 17, 1998: US05837756 (3 worldwide citation)

This invention discloses a process for synthesizing a styrene-butadiene polymer, which is particularly useful for modifying asphalt to improve force ductility, elastic recovery, toughness and tenacity, by a process which comprises the steps of: (1) continuously charging 1,3-butadiene monomer, an org ...


9
Paul Harry Sandstrom, Edward John Blok, David John Zanzig, Howard Allen Colvin, Michael Leslie Senyek: Elastomer blend and use in tires. The Goodyear Tire & Rubber Company, Henry C Young Jr, December 26, 2000: US06166140 (3 worldwide citation)

High viscosity elastomers are often difficult to utilize in rubber compositions without first creating a pre-blend of the high viscosity elastomer and a rubber processing oil to reduce their overall viscosity. This invention relates to utilization of a specialized pre-blend of high viscosity and low ...


10
Howard Allen Colvin, Michael Leslie Senyek Jr: Emulsion styrene-butadiene rubber. The Goodyear Tire & Rubber Company, Alvin T Rockhill, January 28, 2003: US06512053 (3 worldwide citation)

This invention discloses an emulsion styrene-butadiene rubber (SBR) that can be employed in manufacturing tire tread formulations that have rolling resistance and treadwear characteristics that are similar to those made with solution SBR but with improved traction characteristics. Thus, the emulsion ...



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