1
Yoshinori Egashira, Seisuke Tomita: Multi-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas, August 8, 1995: US05439227 (199 worldwide citation)

A multi-piece solid golf ball has a solid core of multi-layer configuration including an inner layer circumscribed by an outer layer. The core inner layer is formed from a rubber composition. The core outer layer is formed thereon by injection molding a mixture of 100-50 wt % of a polyether ester ty ...


2
Roland Rauline: Copolymer rubber composition with silica filler, tires having a base of said composition and method of preparing same. Compagnie Generale des Etablissements Michelin Michelin & Cie, Brumbaugh Graves Donohue & Raymond, July 13, 1993: US05227425 (174 worldwide citation)

A sulfur-vulcanizable rubber composition obtained by thermomechanical worg of a conjugated diene compound and an aromatic vinyl compound prepared by solution polymerization in a hydrocarbon solvent having a total content of aromatic vinyl compound of between 5% and 50% and a glass transition tempera ...


3
Keiji Moriyama, Hidenori Hiraoka, Kazushige Sugimoto, Satoshi Iwami, Masatoshi Yokota: Solid golf ball and process for producing the same. Sumitomo Rubber, Birch Stewart Kolasch & Birch, December 16, 1997: US05697856 (151 worldwide citation)

A solid golf ball comprising a core and a cover, wherein the core has a trans structure content in polybutadiene of 10 to 30%. The core is produced by vulcanizing a rubber composition containing a butadiene rubber having cis structure content of not less than 90% before vulcanization, as a base rubb ...


4
Taketo Matsuki, Akihiro Nakahara: Multi-piece solid golf ball. Sumitomo Rubber, Birch Stewart Kolasch & Birch, September 5, 1989: US04863167 (147 worldwide citation)

A three piece solid golf ball having improved rebound characteristics and a higher initial velocity which includes a center portion, an outer layer disposed over the center portion, and a cover disposed over the outer layer. The outer layer is formed from a rubber composition containing a base rubbe ...


5
Takashi Maruko: Solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas PLLC, June 6, 2000: US06071201 (142 worldwide citation)

A solid golf ball comprises a solid core and a cover. The solid core has a multilayer construction with an inner core layer and an outer core layer. The inner core layer is composed primarily of a resin, and has a diameter of 15-25 mm and a Shore D hardness of 55-90. The outer core layer is formed o ...


6
Takeshi Fukuda, Motoo Fukushima, Kunio Itoh, Hironao Fujiki: Fluorosilicone rubber composition. Shin-Etsu Chemical, Wyatt Gerber Burke & Badie, January 29, 1991: US04988758 (141 worldwide citation)

The fluorine-substituted organopolysiloxane as the principal ingredient of the inventive silicone rubber composition has vinyl groups to serve as the cross-linking points at the molecular chain terminals while at least the penultimate siloxane unit or the silicon atom adjacent to the terminal silico ...


7
Michitaka Takeshita, Uchu Mukai, Toshio Sugawara: Rubber composition for tires. Bridgestone Corporation, Sughrue Mion Zinn Macpeak and Seas, April 11, 1989: US04820751 (129 worldwide citation)

A rubber composition for tires having improved heat build-up and high temperature reinforcibility comprises specified amounts of particular surface-treated carbon black, silica and particular silane coupling agent based on 100 parts by weight of rubber ingredient.


8
Hiroshi Higuchi, Atsushi Nanba: Multi-piece solid golf ball. Bridgestone Sports, Sughrue Mion PLLC, December 26, 2006: US07153224 (127 worldwide citation)

In a multi-piece solid golf ball comprising a solid core consisting of a center core and an outer core, an inner cover layer and an outer cover layer, the solid core is molded from a rubber composition comprising a base rubber composed of (a) a polybutadiene having a high cis-1,4 content, a minimal ...


9
Akihiro Nakahara, Mikio Yamada, Tadahiro Ebisuno, Takashi Sasaki, Kengo Oka: Three-piece solid golf ball. Sumitomo Rubber, Birch Stewart Kolasch & Birch, December 17, 1991: US05072944 (125 worldwide citation)

Disclosed is a large size three piece solid golf ball comprising a center, an outer layer covering said center to form a solid core and a cover covering said solid core, wherein said center has a diameter of 15 to 24 mm and a center hardness of 25 to 50 (JIS-C), prepared from a rubber composition co ...


10
Yoshinori Egashira, Kazuyuki Takahashi, Seisuke Tomita: Solid golf ball. Bridgestone Corporation, Sughrue Mion Zinn Macpeak & Seas, October 12, 1993: US05252652 (124 worldwide citation)

One-piece and multi-layered golf balls are improved in flying performance by forming the one-piece ball entirely or multi-layered golf ball core from a rubber composition comprising a base rubber, an unsaturated carboxylic acid metal salt, and an organic sulfur compound and/or a metal salt thereof.



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