Use of an impact modifier in a low compression golf ball

Patent metadata

Field	Value
Publication number	US-12296228-B1
Application number	US-202418593094-A
Country	US
Kind code	B1
Filing date	Mar 1, 2024
Priority date	Sep 28, 2016
Publication date	May 13, 2025
Grant date	May 13, 2025

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.

First claim

We claim:

1. A golf ball comprising:
a core comprising a polybutadiene material and a methyl methacrylate, butadiene, styrene (MBS);
an inner mantle layer disposed over the core, the inner mantle layer having a thickness ranging from 0.030 inch to 0.090 inch, the inner 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;
an outer mantle disposed over the inner mantle layer; and
a cover layer disposed over the outer 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.

Assignees

• Topgolf Callaway Brands Corp

Inventors

• Becerra Armando
• Brown Carl
• Bartels David
• Chavan Vijay

Classifications

• A63B37/0064

  Diameter · CPC title

• A63B37/0049

  Flexural modulus; Bending stiffness · CPC title

• A63B2102/32

  Golf · CPC title

• B29C43/003

  characterised by the choice of material · CPC title

• C01B32/182

  Graphene · CPC title