Patent ID: 11918861
Assignee: ACUSHNET COMPANY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 3:
4. A golf ball comprising an inner core layer, an outer core layer, and a cover, wherein:
the inner core layer is formed from a first rubber composition comprising a first plurality of functionalized inorganic aluminosilicate ceramic microspheres dispersed throughout;
the outer core layer is formed from a second rubber composition comprising a second plurality of functionalized inorganic aluminosilicate ceramic microspheres dispersed throughout;
either the first plurality of functionalized inorganic aluminosilicate ceramic microspheres or the second plurality of functionalized inorganic aluminosilicate ceramic microspheres is vinyl-functionalized; and
either the first plurality of functionalized inorganic aluminosilicate ceramic microspheres or the second plurality of functionalized inorganic aluminosilicate ceramic microspheres is thiol-functionalized, methacrylate-functionalized, acrylate-functionalized, epoxy-functionalized, or carboxyl-functionalized; and
wherein the first plurality of functionalized inorganic aluminosilicate ceramic microspheres and the second plurality of functionalized inorganic aluminosilicate ceramic microspheres differ in degree of functionalization.