Patent · US Expired

Golf ball with soft core

US6315684A · kind A · utility

42Cited by
70References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 1999
Grant dateNov 13, 2001
Priority date
Expiry dateAug 11, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed herein is a golf ball utilizing a core that comprises at least two particular types of polybutadiene. In one aspect, a combination of a polybutadiene obtained from a cobalt catalyst is used in conjunction with a polybutadiene obtained from a neodymium catalyst. Also disclosed are golf balls comprising particular cover compositions. In one aspect, a cover composition is disclosed that includes a sodium ionomer, a magnesium ionomer, and a zinc ionomer. The golf balls exhibit improved distance while providing a soft sound and feel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.