Acid-functional polyurethane and polyurea compositions for...

Details Acid-functional polyurethane and polyurea compositions for... Acid-functional polyurethane and polyurea compositions for...

2005-06-07

2005-06-07

Gorr, Rachel (Department: 1711)

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...

C528S071000, C528S085000, C473S357000, C473S365000, C473S372000, C473S373000, C473S385000

Reexamination Certificate

active

06903178

ABSTRACT:
A golf ball comprising a core having a compression greater than about 55; and an outer cover comprising an acid-functional polyurethane, polyurea, or copolymer thereof, the outer cover having a Shore D hardness of at least about 25, a thickness of from at least about 0.02 inches to about 0.03 inches, and a specific gravity of at least about 0.7.

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