Patent · US Expired

Polyurethane golf ball

US5334673A · kind A · utility

700Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 24, 1991
Grant dateAug 2, 1994
Priority date
Expiry dateDec 24, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S524/908
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

The golf ball is made from a composition of a polyurethane prepolymer and a slow-reacting polyamine curing agent and/or a difunctional glycol. The slow-reacting polyamine curing agents and difunctional glycols are 3,5-dimethylthio-2,4-toluenediamine; 3,5-dimethylthio-2,6-toluenediamine; N,N'-dialkyldiamino diphenyl methane; trimethyleneglycol-di-p-aminobenzoate; polytetramethyleneoxide-di-p-aminobenzoate; 1,4-butanediol; 2,3-butanediol; 2,3-dimethyl-2,3-butanediol; ethylene glycol; and mixtures thereof.

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