IP Library Granted Patent US 12,296,228
Granted Patent B1
US 12,296,228 · App. 18/593,094 · Granted May 13, 2025

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 12,296,228
App. No.
18/593,094
Granted
May 13, 2025
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 (7)

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.

Continuity (1)
Continuation 18122557 · Mar 16, 2023
References Cited (3)
US 6117025A · Sullivan · 2000 [cited by examiner]
US 11607588B1 · Becerra · 2023 [cited by examiner]
US 11918860B1 · Becerra · 2024 [cited by examiner]