Patent · US Expired

Thin-layer-covered golf ball with improved velocity

US6486261B1 · kind B1 · utility

73Cited by
43References
50Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2000
Grant dateNov 26, 2002
Priority date
Expiry dateJan 11, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/02
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 percent by weight unreacted isocyanate groups.

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