91
James B Pyke, Richard G Bauer, Martin P Cohen, Pawan K Handa: High modulus rubber composition. The Goodyear Tire & Rubber Company, Alvin T Rockhill, February 26, 1991: US04996263 (17 worldwide citation)

It is desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for modifying rubbers to improve their modulus without sacrificing other properties. The subject invention more specifically relates to a process for preparing a rubber ...


92
Hung D Ngoc, Mariano Salazar: Rubbery polymer. The Goodyear Tire & Rubber Company, Alvin T Rockhill, May 16, 1995: US05415940 (17 worldwide citation)

There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels to display excellent heat and ultraviole ...


93
Kenneth F Castner: Synthesis of trans-1,4-polybutadiene having controlled molecular weight. The Goodyear Tire & Rubber Company, Alvin T Rockhill, September 5, 1995: US05448002 (17 worldwide citation)

Trans-1,4-polybutadiene is normally synthesized utilizing transition metal or rare earth catalysts. However, molecular weight control is difficult to achieve with such catalysts and the molecular weight of the polymer produced is frequently much higher than desired. By utilizing the catalyst system ...


94
Verne R Rinehart: Solid state polymerization of polyester prepolymers. The Goodyear Tire & Rubber Company, Alvin T Rockhill, October 24, 1989: US04876326 (17 worldwide citation)

High molecular weight polyester resins such as polyethylene terephthalate, are sometimes produced from low molecular weight polyester prepolymers having the same composition by solid state polymerization. The low molecular weight polyester prepolymers which are used in such solid state polymerizatio ...


95
James N Henderson, Ken W Donbar, John J Barbour, Anthony J Bell: Microencapsulated aqueous polymerization catalyst. The Goodyear Tire & Rubber Company, Alvin T Rockhill, January 31, 1984: US04429085 (17 worldwide citation)

The present invention discloses an aqueous polymerization medium comprising (1) a catalyst composition which contains (a) an organometallic compound and (b) a transition metal compound wherein said catalyst composition is microencapsulated in a polyene product; and (2) water. This invention also dis ...


96
Gary L Burroway, Robert D Mate: Emulsion polymerization process. The Goodyear Tire & Rubber Company, Alvin T Rockhill, September 19, 1989: US04868259 (17 worldwide citation)

The present invention relates to a process for preparing a polymeric resin which contains repeat units which are derived from maleic anhydride in an emulsion polymerization process which comprises polymerizing a vinyl aromatic monomer and an alkyl acrylate monomer in an aqueous medium in the presenc ...


97
Abderrahim Khadir, Adel Farhan Halasa, Wen Liang Hsu: Functionalized rubbery polymer containing polysiloxane. The Goodyear Tire & Rubber Company, Alvin T Rockhill, May 6, 2003: US06558805 (17 worldwide citation)

The present invention relates to an anionic polymerization technique for synthesizing functionalized rubbery polymers containing polysiloxane that have excellent characteristics for utilization in (a) tire tread compounds that are highly loaded with silica, (b) shiny tire side-wall compounds, and (c ...


98
Wen Liang Hsu, Adel F Halasa: Process for synthesizing high trans polymers. The Goodyear Tire & Rubber Company, Alvin T Rockhill, March 31, 1992: US05100965 (16 worldwide citation)

The process of this invention can be utilized to synthesize polymers having a high trans microstructure. The polymers which can be prepared utilizing the procedure of this invention include high trans-1,4-polybutadiene, styrene-isoprene-butadiene terpolymers with high trans-1,4-polybutadiene microst ...


99
Joginder Lal, Michael L Senyek: Preparation of interpolymers of alpha-olefins and nonconjugated alpha, omega-dienes. The Goodyear Tire & Rubber Company, J D Wolfe, Alvin T Rockhill, November 5, 1985: US04551503 (16 worldwide citation)

Interpolymers of alpha-olefins and nonconjugated alpha,omega-dienes are prepared by organoaluminum compound-transition metal compound catalysts modified with hexaalkylphosphoric triamides or organophosphate esters.


100
Kenneth F Castner: Injection water viscosifier for enhanced oil recovery. The Goodyear Tire & Rubber Company, Alvin T Rockhill, June 3, 1986: US04592850 (16 worldwide citation)

High molecular weight N,N-dimethylacrylamide copolymers and terpolymers were synthesized. These polymers offer outstanding advantages as injection water viscosifiers in enhanced oil recovery processes including chemical, miscible, and steam or in processes requiring profile improvement through adsor ...