IP Library › Granted Patent US 8,987,384
Granted Patent B1
US 8,987,384 · App. 13/743,589 · Granted Mar 24, 2015

Golf ball cover composition

Inventor: Shane Parnell (Carlsbad, CA)
Assignee: Callaway Golf Company
A63B37/0024A63B37/0031A63B37/0033A63B37/0053C08F287/00
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Quick Facts
Patent No.
US 8,987,384
App. No.
13/743,589
Granted
Mar 24, 2015
Kind
B1
Abstract

A durable, injection moldable, thermoplastic elastomer that has the favorable resilience, feel, spin, barrier, and UV stability performance attributes is disclosed herein. An OBC grafted with silane provides a good cover shear durability (cut/tear/abrasion resistance). This invention combines the benefits of OBCs and silane crosslinking technology to yield a golf ball cover with a desirable combination of properties.

Claims (9)

1. A golf ball comprising:

a cover layer formed from crosslinked silane grafted ethylene-octene block copolymer material, wherein the crosslinked silane grafted olefin block copolymer material comprises 99 parts olefin block copolymer and 1 part silane.

2. The golf ball according to claim 1 further comprising a core and a mantle layer.

3. The golf ball according to claim 1 further comprising a dual core and a mantle layer.

4. The golf ball according to claim 1 further comprising a core.

5. The golf ball according to claim 1 further comprising a core and a mantle layer composed of a HPF material.

6. The golf ball according to claim 1 further comprising a thread wound core and a mantle layer.

7. The golf ball according to claim 1 wherein the cover has a thickness ranging from 0.020 inch to 0.150 inch, and the golf ball has a diameter of 1.68 inches.

8. The golf ball according to claim 1 wherein the cover has a Shore D hardness ranging from 30 to 70.

Assignments (8)
RELEASE OF SECURITY INTEREST AT REEL/FRAME 063665/0176 Recorded Jun 1, 2026
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: CALLAWAY GOLF COMPANY (F/K/A TOPGOLF CALLAWAY BRANDS CORP.); TRAVISMATHEW, LLC; OGIO INTERNATIONAL, INC.; WORLD GOLF TOUR, LLC
Reel/Frame 075834/0150 →
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 →
RELEASE (REEL 048172 / FRAME 0001) Recorded Mar 17, 2023
From: BANK OF AMERICA, N.A.
To: TOPGOLF CALLAWAY BRANDS CORP. (F/K/A CALLAWAY GOLF COMPANY); OGIO INTERNATIONAL, INC.
Reel/Frame 063622/0187 →
SECURITY INTEREST Recorded Jan 23, 2019
From: CALLAWAY GOLF COMPANY; CALLAWAY GOLF SALES COMPANY; CALLAWAY GOLF BALL OPERATIONS, INC.; OGIO INTERNATIONAL, INC.; CALLAWAY GOLF INTERACTIVE, INC.; CALLAWAY GOLF INTERNATIONAL SALES COMPANY; TRAVISMATHEW, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 048110/0352 →
SECURITY AGREEMENT Recorded Jan 4, 2019
From: CALLAWAY GOLF COMPANY; OGIO INTERNATIONAL, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 048172/0001 →
SECURITY INTEREST Recorded Feb 16, 2018
From: CALLAWAY GOLF COMPANY; CALLAWAY GOLF SALES COMPANY; CALLAWAY GOLF BALL OPERATIONS, INC.; OGIO INTERNATIONAL, INC.; CALLAWAY GOLF INTERACTIVE, INC.; CALLAWAY GOLF INTERNATIONAL SALES COMPANY
To: BANK OF AMERICA, N.A.
Reel/Frame 045350/0741 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 17, 2013
From: PARNELL, SHANE; BROWN, CARL A.
To: CALLAWAY GOLF COMPANY
Reel/Frame 029648/0372 →
Continuity (2)
Division 12795427 · Jun 7, 2010
Provisional Application 61225879 · Jul 15, 2009