Golf ball and golf ball paint

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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Details

C525S123000, C524S376000, C524S591000, C528S080000, C528S081000, C528S083000, C473S371000, C473S378000

Reexamination Certificate

active

07141628

ABSTRACT:
The object of the present invention is to provide a golf ball having an improved impact resistance without lowering the productivity, and a golf ball paint which is used therefor.The present invention is characterized in the use of two component curing type urethane paint comprising an aqueous polyol having hydroxyl value of from 50 mgKOH/g below 100 mgKOH/g and a weight average molecular weight of 4,000 to 20,000, and a polyisocyanate.

REFERENCES:
patent: 4172822 (1979-10-01), Patzschke
patent: 6096851 (2000-08-01), Maruoka et al.
patent: 6454667 (2002-09-01), Iwami
patent: 6509410 (2003-01-01), Ohira et al.
Chemical Abstract registry No. 111-76-2.

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