IP Library Granted Patent US 11,918,860
Granted Patent B1
US 11,918,860 · App. 18/122,557 · Granted Mar 5, 2024

Use of an impact modifier in a low compression golf ball

Inventors: Armando Becerra (Vista, CA); Carl Brown (Temecula, CA); David Bartels (Carlsbad, CA); Vijay Chavan (Oceanside, CA)
Assignee: Topgolf Callaway Brands Corp.
A63B37/0051A63B37/0031A63B37/0033A63B37/0039A63B37/0043A63B37/0045A63B37/0065A63B37/0069A63B37/0074A63B37/0075A63B37/0076A63B37/0078A63B37/0092A63B37/00922C01B32/182C08F36/06C08K3/042
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Quick Facts
Patent No.
US 11,918,860
App. No.
18/122,557
Granted
Mar 5, 2024
Kind
B1
Abstract

A golf ball with improved durability is disclosed herein. The golf ball has a core comprising a polybutadiene material and methyl methacrylate, butadiene, styrene (MBS) with a weight percentage of MBS ranging from 0.5 to 5 weight percent of the core.

Claims (13)

1. A golf ball comprising:

a core comprising a polybutadiene material and a methyl methacrylate, butadiene, styrene (MBS);

a mantle layer disposed over the core, the mantle layer having a thickness ranging from 0.030 inch to 0.090 inch, the mantle layer comprising a blend of ionomers and MBS with a weight percentage of MBS ranging from 5 to 15 weight percent of the mantle layer, the mantle layer material having a plaque Shore D hardness ranging from 30 to 50; and

a cover layer disposed over the mantle layer, the cover layer composed of a polyurethane material;

wherein the golf ball has a compression under a load of 200 pounds ranging from 60 to 80;

wherein the golf ball has a COR of at least 0.785.

2. A golf ball comprising:

a center core comprising a polybutadiene material and a methyl methacrylate, butadiene, styrene (MBS);

an outer core disposed over the center core;

a mantle layer disposed over the outer core, the mantle layer having a thickness ranging from 0.030 inch to 0.090 inch, the mantle layer comprising a blend of ionomers and MBS with a weight percentage of MBS ranging from 5 to 15 weight percent of the mantle layer, the mantle layer material having a plaque Shore D hardness ranging from 30 to 50; and

a cover layer disposed over the mantle layer, the cover layer composed of a polyurethane material;

wherein the golf ball has a compression under a load of 200 pounds ranging from 60 to 80;

wherein the golf ball has a COR of at least 0.785.

Continuity (12)
Continuation 17899340 · Aug 30, 2022
Continuation 17144015 · Jan 7, 2021
Continuation 16802358 · Feb 26, 2020
Continuation 16295841 · Mar 7, 2019
Continuation In Part 16164661 · Oct 18, 2018
Continuation In Part 16054703 · Aug 3, 2018
Continuation 15705011 · Sep 14, 2017
Continuation In Part 15436169 · Feb 17, 2017
Provisional Application 62695645 · Jul 9, 2018
Provisional Application 62693220 · Jul 2, 2018
Provisional Application 62641051 · Mar 9, 2018
Provisional Application 62401034 · Sep 28, 2016
Cited By (1)
US 12,296,228