| Patent Number |
Title Of Patent |
Date Issued |
| 7563180 |
Multi-piece solid golf ball |
July 21, 2009 |
| In the present invention, by optimizing the balance of Shore D hardness between the intermediate layer and the cover, the balance of Shore D hardness between the surface and the center in the core, the balance of initial velocity between the core and the sphere, and the balance of De |
| 7550535 |
Golf ball and method of manufacture |
June 23, 2009 |
| In a golf ball composed of a core and a cover having a plurality of layers that encloses the core, at least a first layer of the cover is formed primarily of a heated mixture of (A) a metal ion neutralization product of an olefin-unsaturated carboxylic acid copolymer and/or a metal ion |
| 7445566 |
Golf ball |
November 4, 2008 |
| A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, ( |
| 7303490 |
Golf ball and making method |
December 4, 2007 |
| In a golf ball comprising a core and a cover, at least one layer of the cover is formed of a cover stock composition in which fullerene and/or carbon nanotubes are uniformly dispersed in a thermoplastic resin. The golf ball is prepared by uniformly dispersing fullerene and/or carbon |
| 7288031 |
Golf ball |
October 30, 2007 |
| A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, ( |
| 7273424 |
Golf ball |
September 25, 2007 |
| A golf ball comprising a core having a Deflection amount of at least 3.0 mm and up to 6.0 mm, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of |
| 7270614 |
Multi-piece solid golf ball |
September 18, 2007 |
| In the present invention, by optimizing the balance of Shore D hardness between the intermediate layer and the cover, the balance of Shore D hardness between the surface and the center in the core, the balance of initial velocity between the core and the sphere, and the balance of De |
| 7270611 |
Golf ball |
September 18, 2007 |
| A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, ( |
| 7211610 |
Golf ball materials and golf ball |
May 1, 2007 |
| A golf ball material comprises a heated mixture having a melt index of at least 1.0 dg/min, which mixture is composed of (A) a thermoplastic resin, (B) a fatty acid or fatty acid derivative having a molecular weight of at least 280, and (C) a basic inorganic metal compound capable of |
| 7201671 |
Multi-piece solid golf ball |
April 10, 2007 |
| A multi-piece solid golf ball exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, (initial velocity (in m/s) of the cor |
| 7091269 |
Golf ball |
August 15, 2006 |
| In a golf ball comprising a core and a cover of one or more layers, at least one layer of the cover is formed primarily of a mixture comprising (A) an ionomer resin, (B) a thermoplastic elastomer and (C) a thermoplastic block copolymer terminated with a functional group capable of re |
| 7090799 |
Golf ball and method for preparing golf ball |
August 15, 2006 |
| The invention provides a golf ball comprising a core and a cover of one or more layers, characterized in that at least one layer which constitutes the cover is formed primarily of a mixture of (A) a thermoplastic resin composition selected from among a thermoplastic block copolymer, |
| 7086968 |
Golf Ball |
August 8, 2006 |
| The invention provides a golf ball comprising a core of at least one layer, a cover of at least one layer, and optionally an intermediate layer therebetween, characterized in that at least one layer of the core, cover and intermediate layer is formed of a golf ball-forming resin comp |
| 7086967 |
Golf ball |
August 8, 2006 |
| A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, ( |
| 7084198 |
Golf ball material and golf ball |
August 1, 2006 |
| A golf ball material comprising a heated mixture of (a) a random copolymer containing at least 5% by weight of a metal ion-neutralized unsaturated carboxylic acid having an acid content of at least 16% by weight, (b) a thermoplastic elastomer, (c) a fatty acid and/or derivative thereof |
| 7083533 |
Golf ball |
August 1, 2006 |
| In a golf ball comprising an elastic solid core, a mantle layer, and a resin cover having a plurality of dimples, the difference in Shore D hardness between the cover and the mantle layer is at most 10, and the dimples have a total volume of 280 350 mm.sup.3. This combination of feat |
| 7059977 |
Golf ball |
June 13, 2006 |
| In a golf ball comprising a core and a cover of one or more layers, the cover or its layer is formed primarily of a mixture comprising a blend of (a) an ionomer resin in the form of an alkali metal-neutralized ethylene-acrylic acid copolymer and (b) an olefin-unsaturated carboxylic a |
| 7048650 |
Golf ball |
May 23, 2006 |
| A layer of a golf ball is formed of a golf ball-forming composition in which a silicone rubber powder, silicone resin powder or composite powder thereof is blended in an elastomer, resin or butadiene rubber base. The composition is easy to remove from a mold after molding, and the golf |
| 7037963 |
Golf ball |
May 2, 2006 |
| A golf ball comprising a core and two or more outer layers covering said core, wherein the first outer layer is formed mainly from a mixture of a non-ionomer thermoplastic elastomer and an isocyanate compound and the second outer layer is formed mainly from a mixture composed of a resin |
| 7008333 |
Golf ball |
March 7, 2006 |
| The invention provides a golf ball comprising a core of at least one layer, a cover of at least one layer, and optionally an intermediate layer therebetween, characterized in that at least one layer of the core, cover and intermediate layer is formed of a golf ball-forming resin comp |
| 6992145 |
Golf ball |
January 31, 2006 |
| In a golf ball comprising a core and a cover of plural layers, a cover inner layer is formed primarily of an ionomer resin in admixture with a compound containing at least two reactive functional groups and having a molecular weight of up to 20,000 and a cover outer layer is formed p |
| 6984182 |
Golf ball |
January 10, 2006 |
| In a golf ball comprising a core and a cover of at least two layers, a cover outermost layer is formed of a composition comprising 100 pbw of a thermoplastic resin and 0.2 5 pbw of a cholesteric liquid crystal polymer, and a cover inner layer is formed of a composition comprising 100 |
| 6981925 |
Multi-piece solid golf ball |
January 3, 2006 |
| A multi-piece solid golf ball has a solid core obtained by molding and vulcanizing a rubber composition which includes (A) a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, (B) an unsaturated carboxylic acid and/or a metal salt thereof, (C) an organic |
| 6962951 |
Golf ball materials and golf ball |
November 8, 2005 |
| A golf ball material comprises a heated mixture having a melt index of at least 1.0 dg/min, which mixture is composed of (A) a thermoplastic resin, (B) a fatty acid or fatty acid derivative having a molecular weight of at least 280, and (C) a basic inorganic metal compound capable of |
| 6942582 |
Golf ball |
September 13, 2005 |
| In a golf ball comprising a core and a cover, at least one layer of the cover is composed mainly of a mixture of an amino-terminated block polymer and an ionomer resin in a weight ratio between 3/97 and 60/40. The mixture is effectively moldable, and the golf ball is improved in rebound, |
| 6939251 |
Golf ball |
September 6, 2005 |
| Disclosed is a golf ball having a cover formed from a thermoplastic polyurethane material which can be recycled for molding, which exhibits high restitution, and which exhibits excellent scuff resistance. The cover is formed from a composition (D) containing, as predominant components, |
| 6921346 |
Two-piece solid golf ball |
July 26, 2005 |
| Disclosed herein is a two-piece solid golf ball consisting of a solid core and a cover, the solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, a small amount of organic peroxide, an |
| 6894097 |
Golf ball material and golf ball |
May 17, 2005 |
| A mixture having good thermal stability, flow and moldability and suitable as a golf ball-forming material is obtained when a base resin comprising a (metal ion-neutralized) olefin-unsaturated carboxylic acid-unsaturated carboxylate ternary random copolymer and optionally a (metal io |
| 6875132 |
Multi-piece solid golf ball |
April 5, 2005 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition comprising a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, a small amount of organic peroxide, an unsaturated carboxylic acid a |
| 6846250 |
Solid golf ball |
January 25, 2005 |
| In a solid golf ball comprising an elastic solid core and a resin cover, the cover has a JIS-C hardness of 50-85, and provided that the ball receives a spin rate S1 (rpm) in the dry state and a spin rate S2 (rpm) in the wet state when hit with a short iron having a loft of an 8-iron or |
| 6838501 |
Golf ball material and golf ball |
January 4, 2005 |
| A mixture having good thermal stability, flow and moldability and suitable as a golf ball-forming material is obtained when a resinous component including a base resin of an ionomer resin or resins and optionally a non-ionomer thermoplastic elastomer is blended with specific proportions |
| 6824478 |
Multi-piece solid golf ball |
November 30, 2004 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition that includes a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, a small amount of organic peroxide, an unsaturated carboxylic aci |
| 6822028 |
Golf ball material and golf ball |
November 23, 2004 |
| A material comprising a heated mixture of (A) an olefin-unsaturated carboxylic acid copolymer, an olefin-unsaturated carboxylic acid-unsaturated carboxylate copolymer, a metal ion neutralized product thereof, or a mixture thereof, (B) a polyurethane elastomer, and (C) an organic or i |
| 6818701 |
Golf ball |
November 16, 2004 |
| A golf ball includes a portion formed from a golf ball-forming composition containing at least one kind selected from a crosslinked silicone rubber powder and a crosslinked silicone resin powder. Each of the crosslinked silicone rubber powder and the crosslinked silicone resin powder has |
| 6814676 |
Multi-piece solid golf ball |
November 9, 2004 |
| Provided is a multi-piece solid golf ball, wherein an outer layer cover has a polyurethane based elastomer as a main component; a solid core surface Shore D hardness is 50 to 60, an inner layer cover Shore D hardness is 53 to 61, and an outer layer cover Shore D hardness is 52 to 58; an |
| 6797786 |
Golf ball materials and golf ball |
September 28, 2004 |
| A golf ball material containing (a) a calcium ion-neutralized olefin-unsaturated carboxylic acid-unsaturated carboxylate random copolymer having an acid content of 2-12% by weight, and (b) a calcium ion-neutralized olefin-unsaturated carboxylic acid random copolymer having an acid co |
| 6786840 |
Two-piece solid golf ball |
September 7, 2004 |
| Disclosed herein is a two piece solid golf ball consisting of a solid core and a cover, said solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, a small amount of organic peroxide, an |
| 6786839 |
Multi-piece solid golf ball |
September 7, 2004 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition that includes (A) a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, (B) a small amount of organic peroxide, (C) an unsaturated |
| 6761648 |
Golf ball |
July 13, 2004 |
| In a golf ball comprising a core and a cover of one or more layers, the cover or its layer is formed primarily of a mixture comprising a blend of (a) an ionomer resin in the form of a divalent metal-neutralized ethylene-acrylic acid copolymer and (b) an olefin-unsaturated carboxylic |
| 6746347 |
Solid golf ball |
June 8, 2004 |
| In a solid golf ball comprising an elastic solid core and a resin cover, the cover has a JIS-C hardness of 50-85, and provided that the ball receives a spin rate S1 (rpm) in the dry state and a spin rate S2 (rpm) in the wet state when hit with a short iron having a loft of an 8-iron or |
| 6746345 |
Multi-piece solid golf ball |
June 8, 2004 |
| In a multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers enclosing the solid core, the solid core has a deflection of at least 1.1 mm under an applied load of 294 N (30 kgf) and a surface and a center, the surface-center hardness difference given |
| 6736737 |
Multi-piece solid golf ball |
May 18, 2004 |
| In a multi-piece solid golf ball comprising a rubbery elastic solid core and a resin cover including at least an inner layer, an intermediate layer and an outer layer, the solid core undergoes a deflection of 1.6-6.0 mm under an applied load of 294 N (30 kgf), the cover inner layer has a |
| 6723008 |
Multi-piece solid golf ball |
April 20, 2004 |
| In a multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers enclosing the solid core, the solid core has a deflection of at least 1.1 mm under an applied load of 294 N (30 kgf) and a surface and a center, the surface-center hardness difference given |
| 6716117 |
Multi-piece solid golf ball |
April 6, 2004 |
| In a multi-piece solid golf ball comprising a solid core and a cover consisting of inner and outer layers, the cover inner layer is composed mainly of an ionomer resin, and the cover outer layer is composed mainly of another thermoplastic elastomer. A thermoplastic resin-base adhesive |
| 6663507 |
Multi-piece solid golf ball |
December 16, 2003 |
| A multi-piece solid golf ball includes a core, at least one mantle layer enclosing the core, and a cover that is made primarily of a thermoplastic polyurethane composition. The cover and the mantle layer have a difference in Shore D hardness therebetween such that -8.ltoreq.[(cover h |
| 6624221 |
Resin composition for golf ball and golf ball |
September 23, 2003 |
| A resin composition comprising, in admixture, (A) a specific thermoplastic resin component, (B) at least one wax component selected from among (b-1) a fatty acid having 20-80 carbon atoms and/or a derivative thereof and (b-2) an oxidized natural wax and/or derivative having a neutralizat |
| 6620061 |
Golf ball |
September 16, 2003 |
| In a golf ball comprising a core and an enclosure of one or more layers enclosing the core, at least one enclosure layer is formed of a rubber composition comprising a base rubber based on 1,4-polybutadiene having a cis-1,4-structure, an .alpha.,.beta.-unsaturated carboxylic acid, a meta |
| 6616552 |
Golf ball |
September 9, 2003 |
| In a golf ball including a core and a cover of at least one layer, the cover layer is formed of a heated mixture of an ionomer resin and a metal salt such as magnesium stearate. The heated mixture exhibits such a crystal melting behavior that when measured by DSC, the difference between |
| 6613843 |
Golf ball materials and golf ball |
September 2, 2003 |
| A golf ball material containing (a) a calcium ion-neutralized olefin-unsaturated carboxylic acid-unsaturated carboxylate random copolymer having an acid content of 2-12% by weight, and (b) a calcium ion-neutralized olefin-unsaturated carboxylic acid random copolymer having an acid co |
| 6582325 |
Solid golf balls and method of making |
June 24, 2003 |
| A solid golf ball has a solid core and a cover formed of a resin composition comprising the reaction product of a thermoplastic polyurethane elastomer with dicyclohexylmethane-4, 4"-diisocyanate. The ball is efficiently moldable and meets such requirements as a pleasant feel, ease of |
