| Patent application number | Description | Published |
|---|
| 20090042670 | Golf ball | 02-12-2009 |
| 20090042671 | Golf ball | 02-12-2009 |
| 20090062037 | Golf ball | 03-05-2009 |
| 20090075758 | Golf ball | 03-19-2009 |
| 20090075759 | Golf ball | 03-19-2009 |
| 20090105012 | Golf ball | 04-23-2009 |
| 20090124420 | Golf ball - The object of the present invention is to provide a golf ball that satisfies both of the flight distance at the shot with a driver, a long iron, and a middle iron and the controllability at the approach shot with a short iron and is also excellent in the abrasion resistance of the cover. The present invention provides a golf ball comprising a core consisting of a center and at least one intermediate layer covering the center, and a cover covering the core, wherein the cover is formed from a cover composition containing, as a resin component, a thermoplastic polyurethane (A) and a polyisocyanate mixture (B) in which a urethane prepolymer (b-1) having at least two isocyanate groups or a polyisocyanate (b-2) having at least three isocyanate groups is dispersed in a thermoplastic resin (b-3) which does not substantially react with an isocyanate group; and wherein the cover composition has a slab hardness of 60 or less in Shore D hardness, and the core has a hardness difference (Hs−Ho) between a surface hardness Hs and a center hardness Ho of from 15 to 50 in Shore D hardness. | 05-14-2009 |
| 20090170636 | GOLF BALL - The object of the present invention is to provide a golf ball which has excellent durability and wear-resistance and provides an excellent shot feeling The present invention provides a golf ball comprising: a core consisting of a center and at least one intermediate layer covering the center; and a cover covering the core, wherein the cover is formed from a cover composition containing a thermoplastic polyurethane (A), a polyisocyanate compound (B) having at least two isocyanate groups, and a polyhydroxyether (C) as a resin component, wherein the cover composition has a slab hardness from 20 to 55 in shore D hardness, and the cover has a thickness from 0.1 mm to 1.5 mm. | 07-02-2009 |
| 20090170637 | GOLF BALL - An object of the present invention is to provide a golf ball which has excellent durability and wear-resistance and provides an excellent shot feeling. The present invention is directed to a golf ball comprising: a core; and a cover covering the core, wherein the cover is formed from a cover composition containing a thermoplastic polyurethane (A), a polyisocyanate (B) having at least two isocyanate groups, and a polyhydroxyether (C) as a resin component, and wherein the core has a surface hardness of 85 or smaller in JIS-C hardness. | 07-02-2009 |
| 20090221387 | GOLF BALL - A golf ball | 09-03-2009 |
| 20090247326 | GOLF BALL - A golf ball | 10-01-2009 |
| 20090247328 | GOLF BALL - A golf ball | 10-01-2009 |
| 20090258730 | GOLF BALL - A golf ball | 10-15-2009 |
| 20090258731 | GOLF BALL - A golf ball | 10-15-2009 |
| 20090270202 | GOLF BALL - A golf ball | 10-29-2009 |
| 20100009776 | GOLF BALL - An object of the present invention is to provide a golf ball having an excellent properties like flight distance and low temperature durability. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein at least one piece or one layer of said intermediate layers is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic polyamide resin having a flexural modulus in a range from 700 MPa to 5,000 MPa; (B) a metal-neutralized product of ethylene-(meth)acrylic acid copolymer and (C) a resin having a polar functional group in a specific way. | 01-14-2010 |
| 20100056301 | GOLF BALL - A golf ball | 03-04-2010 |
| 20100069174 | GOLF BALL - A golf ball | 03-18-2010 |
| 20100069175 | GOLF BALL - A golf ball | 03-18-2010 |
| 20100075778 | GOLF BALL - A golf ball | 03-25-2010 |
| 20100093466 | GOLF BALL - An objective of the present invention is to provide a golf ball striking a balance between the flight distance on the driver shots and the approach performance on the approach shots and having the excellent shot feeling and durability. The present invention provides a golf ball comprising a core consisting of a center and a surrounding layer covering the center; at least one intermediate layer covering the core; and a cover covering the intermediate layer; wherein at least one piece or one layer of the intermediate layer is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic resin having a flexural modulus in a range from 700 MPa to 5,000 MPa and (B) an ionomer resin having a flexural modulus in a range from 150 MPa to 1,000 MPa in a content ratio ((A)/(B)) of (A) the highly elastic resin to (B) the ionomer resin (B) being (20 mass % to 80 mass %)/(80 mass % to 20 mass %) (the total is 100 mass %), and wherein a surface hardness (Hm) of the intermediate layer and a surface hardness (Hs) of the core satisfy the equation: Hm≧Hs, and the cover has a slab hardness (Hc) of 45 or less in Shore D hardness. | 04-15-2010 |
| 20100160087 | GOLF BALL - A golf ball | 06-24-2010 |
| 20100167841 | GOLF BALL AND PROCESS FOR PREPARING THE SAME - An object of the present invention is to provide a golf ball providing a great distance. Another object of the present invention is to provide a golf ball striking a balance between a flight distance on a driver shot and an approach performance on an approach shot while providing an excellent shot feeling. The present invention provides a golf ball comprising: a center, a cover and at least one intermediate layer disposed between the center and the cover, wherein at least one piece or one layer of the intermediate layer is formed from a high fluidity intermediate layer composition that contains (A) a polyamide resin composition having a flexural modulus in a range from 700 MPa to 4,000 MPa; (B) at least one member selected from the group consisting of an ethylene-(meth)acrylic acid binary copolymer, a metal-neutralized product of the binary copolymer, an ethylene-(meth)acrylic acid-(meth)acrylic acid ester ternary copolymer, and a metal-neutralized product of the ternary copolymer, and (C) a fluidity improving agent. | 07-01-2010 |
| 20110053708 | GOLF BALL - Golf ball 2 has spherical core 4, cover 6 situated on the external side of the core 4, and paint layer 8 situated on the external side of the cover 6. The cover 6 has a Shore D hardness of no greater than 61. The paint layer 8 has a Martens hardness of no greater than 2.0 mgf/μm | 03-03-2011 |
| 20110092315 | GOLF BALL | 04-21-2011 |
| 20110098133 | GOLF BALL RESIN COMPOSITION AND GOLF BALL USING THE SAME - An object of the present invention is to provide a novel golf ball material that controls the spin rate on the approach shots while suppressing the change in the spin rate on the driver shots. Another object of the present invention is to provide a golf ball which produces a high spin rate on the approach shots and a low spin rate on the driver shots. The present invention provides a golf ball resin composition comprising: a polyurethane having a polyol component having a number average molecular weight from 200 to 1,500 as a constituting component. | 04-28-2011 |
| 20110105246 | GOLF BALL AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a novel golf ball that controls the spin rate on the approach shots while suppressing the change in the spin rate on the driver shots and a method for producing the same. The present invention provides a golf ball having a cover containing a resin component and a filler, wherein the filler is oriented roughly parallel to a surface of the cover. The cover having anisotropy behaves like a hard material against the deformation in the compression direction on the driver shots and behaves like a soft material against the deformation in the shear direction on the approach shots. The present invention also provides a method for producing a golf ball, comprising compression molding a cover composition containing a resin component and a filler to mold a shell, and compression molding a core covered with a plurality of shells to mold a cover. | 05-05-2011 |
| 20110143865 | GOLF BALL MATERIAL AND GOLF BALL USING THE SAME - An object of the present invention is to provide a golf ball which travels a great distance on the driver shots and stops quickly on the green on the approach shots. The present invention is directed to a golf ball material having a shear loss modulus G″ of 2.11×10 | 06-16-2011 |
| 20110159990 | GOLF BALL MATERIAL AND GOLF BALL - An object of the present invention is to provide a golf ball material producing a high spin rate on approach shots and a low spin rate on driver shots and a golf ball using the same. The present invention provides a golf ball material having a ratio [Shore D/log(bending stiffness)] of Shore D hardness to a logarithm of bending stiffness (kgf/cm | 06-30-2011 |
| 20110159998 | GOLF BALL - A golf ball | 06-30-2011 |
| 20110159999 | GOLF BALL - At all points Pa included in zone “A” away from the central point of the core | 06-30-2011 |
