IP Library Granted Patent US 10,898,762
Granted Patent B2
US 10,898,762 · App. 16/941,934 · Granted Jan 26, 2021

Graphene core for a golf ball

Inventors: Vijay Chavan (Oceanside, CA); David Bartels (Carlsbad, CA)
Assignee: Callaway Golf Company
A63B37/0051A63B37/0031A63B37/0033A63B37/0043A63B37/0045A63B37/0065A63B37/0069A63B37/0074A63B37/0075A63B37/0076A63B37/0092C01B32/182C08F36/06C08K3/042
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,898,762
App. No.
16/941,934
Granted
Jan 26, 2021
Kind
B2
Abstract

A golf ball with a core comprising polybutadiene and graphene is disclosed herein. The golf ball has a single core comprising polybutadiene and graphene. Alternatively, the golf ball has a dual core with an inner core comprising polybutadiene and graphene. Alternatively, the golf ball has a dual core with an outer core comprising polybutadiene and graphene.

Claims (9)

1. A golf ball comprising:

a core comprising polybutadiene in an amount ranging from 40 to 90 weight percent of the core, zinc diacrylate in an amount ranging from 10 to 50 weight percent of the core, zinc oxide in an amount ranging from 1 to 30 weight percent of the core, zinc stearate in an amount ranging from 1 to 20 weight percent of the core, peroxide initiator in an amount ranging from 0.1 to 10 weight percent of the core, and a graphene material in an amount ranging from 0.1 to 5.0 weight percent of the core;

and

a cover layer disposed over the core.

2. The golf ball according to claim 1 wherein the graphene material ranges from 0.4 to 2.5 weight percent of the outer core.

3. The golf ball according to claim 1 wherein the graphene material ranges from 0.6 to 1.5 weight percent of the outer core.

4. The golf ball according to claim 1 wherein the graphene material has a surface area ranging from 400 m 2 /g to 800 m 2 /g.

5. The golf ball according to claim 1 wherein the graphene material has a surface area ranging from 15 m 2 /g to 50 m 2 /g.

6. The golf ball according to claim 1 wherein the graphene material has a surface area ranging from 300 m 2 /g to 400 m 2 /g.

Assignments (4)
SECURITY INTEREST Recorded May 17, 2023
From: TOPGOLF CALLAWAY BRANDS CORP.; OGIO INTERNATIONAL, INC.; TOPGOLF INTERNATIONAL, INC.; TRAVISMATHEW, LLC; WORLD GOLF TOUR, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 063692/0009 →
SECURITY AGREEMENT Recorded May 16, 2023
From: TOPGOLF CALLAWAY BRANDS CORP. (FORMERLY CALLAWAY GOLF COMPANY); OGIO INTERNATIONAL, INC.; TOPGOLF INTERNATIONAL, INC.; TRAVISMATHEW, LLC; WORLD GOLF TOUR, LLC
To: BANK OF AMERICA, N.A, AS COLLATERAL AGENT
Reel/Frame 063665/0176 →
CHANGE OF NAME Recorded Jan 25, 2023
From: CALLLAWAY GOLF COMPANY
To: TOPGOLF CALLAWAY BRANDS CORP.
Reel/Frame 062512/0585 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 29, 2020
From: CHAVAN, VIJAY; BARTELS, DAVID
To: CALLAWAY GOLF COMPANY
Reel/Frame 053342/0078 →
Continuity (7)
Continuation 16601162 · Oct 14, 2019
Continuation 16403356 · May 3, 2019
Continuation 16054703 · Aug 3, 2018
Continuation 15705011 · Sep 14, 2017
Continuation In Part 15436169 · Feb 17, 2017
Provisional Application 62401034 · Sep 28, 2016
Related Publication 20200406106A1 · Dec 31, 2020