IP Library Granted Patent US 8,420,716
Granted Patent B2
US 8,420,716 · App. 13/478,653 · Granted Apr 16, 2013

Golf ball

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Quick Facts
Patent No.
US 8,420,716
App. No.
13/478,653
Granted
Apr 16, 2013
Kind
B2
Abstract

A golf ball exhibits excellent abrasion-resistance and resilience. A golf ball of the present invention includes: a core; and a cover covering the core, wherein the cover is formed of a cover composition containing a (meth)acrylic polymer-modified silicate and a resin component.

Claims (7)

1. A golf ball comprising:

a core;

a cover covering the core,

wherein the cover is formed of a cover composition containing a (meth)acrylic polymer-modified silicate and a thermoplastic polyurethane or an ionomer resin component, and

wherein the (meth)acrylic polymer-modified silicate comprises a porous silica, wherein the (meth)acrylic polymer is incorporated into pores of the silica and envelopes the silica

wherein the cover contains 0.01 part to 20 parts by mass of the (meth)acrylic polymer-modified silicate with respect to 100 parts by mass of the resin component.

2. The golf ball according to claim 1 , wherein the cover composition has a slab hardness of 75 to 98 in Shore A hardness.

Assignments (2)
MERGER Recorded Apr 17, 2018
From: DUNLOP SPORTS CO. LTD.
To: SUMITOMO RUBBER INDUSTRIES, LTD.
Reel/Frame 045959/0204 →
CHANGE OF NAME Recorded Apr 12, 2018
From: SRI SPORTS LIMITED
To: DUNLOP SPORTS CO. LTD.
Reel/Frame 045932/0024 →