| Patent Number |
Title Of Patent |
Date Issued |
| 7557165 |
Rubber molding product for golf ball, its making method and golf ball |
July 7, 2009 |
| A molded rubber material for golf balls which is obtained by molding and curing a rubber compound composed of base rubber and such ingredients as crosslinking agent, co-crosslinking agent, and vulcanization accelerator, wherein the base rubber is polybutadiene which results from poly |
| 7534835 |
Golf ball |
May 19, 2009 |
| A golf ball is composed at least in part of a material molded under heat from a rubber composition which includes: (a) a base rubber composed primarily of a mixture of at least 60 wt % of a polybutadiene having a stress relaxation time (T.sub.80), defined as the length of time it takes |
| 7530905 |
Molded rubber material for golf ball, method of producing the material, and golf ball |
May 12, 2009 |
| The invention provides a molded rubber material for a golf ball which is obtained by molding and vulcanizing a rubber composition that includes a portion of a master batch prepared by mixing together a synthetic rubber, an unsaturated carboxylic acid metal salt and a higher fatty acid or |
| 7488779 |
Golf ball |
February 10, 2009 |
| A golf ball which is formed from a vulcanized rubber compound composed of 100 parts by weight of a rubber base material, 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound, 5 to 80 parts by weight o |
| 7488262 |
Multi-piece solid golf ball |
February 10, 2009 |
| The present invention provides a multi-piece solid golf ball having a core obtained by molding under heat a specific rubber composition and having a cover of at least three layers which encases the core. By optimizing the deflection of the core under a specific load, optimizing the hardn |
| 7425182 |
Multi-piece solid golf ball |
September 16, 2008 |
| The present invention provides a multi-piece solid golf ball having a core obtained by molding under heat a specific rubber composition and having a cover of at least three layers which encases the core. By optimizing the deflection of the core under a specific load, optimizing the hardn |
| 7381776 |
Crosslinked rubber moldings for golf balls and method of manufacture |
June 3, 2008 |
| The invention provides crosslinked rubber moldings for golf balls obtained by spherically molding and crosslinking a rubber composition containing a base rubber, a co-crosslinking agent and a crosslinking agent, then impregnating the crosslinked rubber molding with a rubber compounding |
| 7294067 |
Golf ball |
November 13, 2007 |
| A golf ball having, as a constituent element, an article molded under heat from a rubber composition which includes: (a) a base rubber containing polybutadiene having a stress relaxation time (T.sub.80), defined as the time in seconds from the moment when rotor rotation is stopped im |
| 7291675 |
Golf ball rubber compositions and golf balls |
November 6, 2007 |
| A rubber composition for a one-piece golf ball or for a solid core of a solid golf ball having a multilayer construction in which the core is enclosed directly, or with an intermediate layer, by a cover includes (a) 100 parts by weight of a base rubber, (b) 10 to 60 parts by weight of a |
| 7276560 |
Solid golf ball |
October 2, 2007 |
| The present invention provides a solid golf ball comprising a hot-molded product of a rubber composition comprising (a) 100 parts by weight of a polybutadiene synthesized using a rare-earth catalyst and having a cis-1,4 content of at least 60% and a 1,2 vinyl content of at most 2%, h |
| 7250010 |
Golf ball |
July 31, 2007 |
| The present invention provides a golf ball composed at least in part of a material molded under heat from a rubber composition containing (a) a diene base rubber, (b) an .alpha.,.beta.-unsaturated carboxylic acid and/or a metal salt thereof, and (c) an organic peroxide which includes |
| 7238746 |
Rubber composition for golf ball and golf ball |
July 3, 2007 |
| A golf ball, typically its core, is manufactured by hot molding a rubber composition comprising a base rubber, an unsaturated carboxylic acid or a metal salt thereof, and an organic peroxide, the base rubber comprising a methacryloxy or acryloxy-modified silicone polymer and optionally, |
| 7238120 |
Rubber compound for solid golf balls and solid golf ball |
July 3, 2007 |
| A rubber compound for solid golf balls which includes (A) a base rubber, (B) a filler, (C) an organic peroxide, and (D) a co-crosslinking agent coated with a coating rubber in which the ratio of the co-crosslinking agent to the coating rubber is from 100/1 to 100/20 by weight. A solid |
| 7230053 |
Golf ball |
June 12, 2007 |
| A golf ball, typically its core, is manufactured by molding and vulcanizing a rubber composition comprising a base rubber, an unsaturated carboxylic acid or a metal salt thereof, an inorganic filler, an organic peroxide, and an organosulfur compound. The base rubber contains a polybu |
| 7226367 |
Golf ball |
June 5, 2007 |
| A golf ball comprises a solid core consisting of a center core and an outer core, wherein at least one of cores is made of a rubber composition comprising 100 parts by weight of a base rubber including. 60 to 100% by weight of a polybutadiene containing at least 60% by weight of cis- |
| 7223819 |
Golf ball |
May 29, 2007 |
| A golf ball which is formed from a vulcanized rubber compound composed of 100 parts by weight of a rubber base material, 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound, 5 to 80 parts by weight o |
| 7199190 |
Golf ball |
April 3, 2007 |
| A golf ball-which is formed from a crosslinked rubber compound composed of, as essential components, (A) a rubber base material composed of (a) a polybutadiene containing no less than 60 wt % of cis-1,4 bonds and having a Mooney viscosity (ML.sub.1+4 (100.degree. C.)) of 50 to 120, which |
| 7189786 |
Golf ball |
March 13, 2007 |
| A golf ball which is formed from a crosslinked rubber compound composed of, as essential components, (A) a rubber base material composed of (a) a polybutadiene containing no less than 60 wt % of cis-1,4 bonds and having a Mooney viscosity (ML.sub.1+4 (100.degree. C.)) of 50 to 120, which |
| 7183357 |
Golf ball |
February 27, 2007 |
| A golf ball has a core obtained by molding and vulcanizing a rubber composition comprising (A) a base rubber which includes a polybutadiene having a cis-1,4 content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or metal salt thereof, (C) an inorganic filler and (D) at l |
| 7153224 |
Multi-piece solid golf ball |
December 26, 2006 |
| 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 con |
| 7118494 |
Multi-piece solid golf ball |
October 10, 2006 |
| A multi-piece solid golf ball composed of a solid core, at least one intermediate layer, and a cover is characterized in that the core is made of a molded and vulcanized material obtained by vulcanizing a rubber composition containing (A) a base rubber which includes (a-1) a methacry |
| 7086969 |
Multi-piece solid golf ball |
August 8, 2006 |
| 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 con |
| 7074859 |
Golf ball |
July 11, 2006 |
| A golf ball is characterized by comprising a molded and vulcanized product of a rubber composition as a constituent component, the rubber composition comprising 100 pbw of a base rubber including 60 100 wt % of a polybutadiene containing at least 60 wt % of cis-1,4-bond, having a Moo |
| 7067572 |
Golf ball |
June 27, 2006 |
| A golf ball is manufactured by molding and vulcanizing a rubber composition comprising 100 pbw of a base rubber composed primarily of a polybutadiene having a cis-1,4 content of at least 60 wt % and a Mooney viscosity of at least 30 and synthesized using a rare-earth catalyst, 15 50 |
| 6956128 |
Zinc acrylate particle composition, method for production thereof, and golf ball using the compo |
October 18, 2005 |
| A zinc acrylate particle composition which is substantially fine and, even when kneaded with a rubber composition, is capable of being uniformly dispersed and kneaded in a state very rarely inducing fast adhesion or agglomeration, a method for the production thereof, and a golf ball usin |
| 6943208 |
Golf ball |
September 13, 2005 |
| A golf ball is characterized by comprising a molded and vulcanized product of a rubber composition as a constituent component, the rubber composition comprising 100 pbw of a base rubber composed primarily of a polybutadiene containing at least 60 wt % of cis-1,4-bond, having a Mooney vis |
| 6921345 |
Golf ball |
July 26, 2005 |
| A golf ball includes a hot-molded product of a rubber composition comprising a base rubber composed of (a) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content, and a viscosity .eta. of up to 600 mPa.multidot.s at 25.degree. C. as a 5 wt % toluene |
| 6899640 |
One-piece golf ball |
May 31, 2005 |
| Disclosed herein is a one-piece golf ball formed by vulcanization from a rubber composition composed of 100 parts by weight of rubber base material, 10 to 40 parts by weight of unsaturated carboxylic acid, 10 to 60 parts by weight of metal oxide, and 0.9 to 5 parts by weight of organic |
| 6837803 |
Golf ball |
January 4, 2005 |
| A golf ball includes, as a composing element, a hot-molded product of a rubber composition. The rubber composition contains a polybutadiene having 60 wt % or more of cis-1,4-bonds and 40 or more of a Mooney viscosity (ML.sub.1+4 (100.degree. C.)), unsaturated carboxylic acid and/or a met |
| 6786836 |
Golf ball |
September 7, 2004 |
| A golf ball includes a hot-molded product of a rubber composition comprising a base rubber composed of (a) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content, and a viscosity .eta. of up to 600 mPa.multidot.s at 25.degree. C. as a 5 wt % toluene |
| 6712715 |
Golf ball |
March 30, 2004 |
| A golf ball includes, as a composing element, a hot-molded product obtained from a rubber composition which includes a main rubber containing 10 to 90 mass % of a polybutadiene, an unsaturated carboxylic acid and/or a metal salt thereof, and an organic peroxide. The polybutadiene has 60% |
| 6695716 |
Golf ball |
February 24, 2004 |
| A golf ball including, as a composing element, a hot-molded product obtained from a rubber composition. The rubber composition includes: a polybutadiene obtained by mixing a polybutadiene (a) with a polybutadiene (b) at a mass ratio [(a)/(b)] ranging from 70/30 to 10/90, an unsaturated |
| 6634961 |
Multi-piece solid golf ball |
October 21, 2003 |
| In a multi-piece solid golf ball comprising a solid 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) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content |
| 6602941 |
Multi-piece solid golf ball |
August 5, 2003 |
| In a multi-piece solid golf ball comprising a solid 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) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content |
| 6596801 |
Multi-piece solid golf ball |
July 22, 2003 |
| In a multi-piece solid golf ball comprising a solid 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) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content |
