Golf ball

Details Golf ball Golf ball

2006-10-03

2006-10-03

Buttner, David J. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C473S374000, C473S378000

Reexamination Certificate

active

07115698

ABSTRACT:
A golf ball having a cured polyurethane cover which includes an isocyanate group terminated polyurethane prepolymer comprising a specific alicyclic diisocyanate as a polyisocyanate component, and a specific 4,4′-diaminodiphenylmethane derivative as a curing agent.

REFERENCES:
patent: 3789032 (1974-01-01), Hoeschele
patent: 4208507 (1980-06-01), Stutz et al.
patent: 5334673 (1994-08-01), Wu
patent: 6486261 (2002-11-01), Wu et al.
patent: 6686436 (2004-02-01), Iwami
patent: 6689860 (2004-02-01), Iwami
patent: 2002/0052251 (2002-05-01), Iwami
Knaub, New Linear Polyurethanes Based on Polyoxytetramethylene, Aliphatic Diisocyanates and Aromatic Diamines; Journal of Applied Polymer Science; vol. 32 1986,pp. 5627-5645.
Oertel, Polyurethane Handbook; Hanser Publishers 1993; pp. 115, 562.

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