Golf ball and method for preparing golf ball

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article

Reexamination Certificate

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Details

C264S328100, C473S378000, C525S074000, C525S09200D, C525S123000, C525S125000, C525S127000, C525S424000, C525S440030, C525S457000, C525S458000

Reexamination Certificate

active

07090799

ABSTRACT:
The invention provides a golf ball comprising a core and a cover of one or more layers, characterized in that at least one layer which constitutes the cover is formed primarily of a mixture of (A) a thermoplastic resin composition selected from among a thermoplastic block copolymer, polyester base elastomer, polyamide base elastomer and polyolefin, which are modified with functional groups having reactivity with isocyanate, and (B) an isocyanate compound or an isocyanate mixture having at least two isocyanate groups as functional groups in a molecule, and a method for preparing the same. The golf ball has excellent flight performance, feel on impact, and scuff resistance.

REFERENCES:
patent: 4337947 (1982-07-01), Saito et al.
patent: 4707398 (1987-11-01), Boggs
patent: 4919434 (1990-04-01), Saito
patent: 6123628 (2000-09-01), Ichikawa et al.
patent: 6319152 (2001-11-01), Takesue et al.
patent: 6458307 (2002-10-01), Inoue et al.
patent: 56-83367 (1981-07-01), None
patent: 62-275480 (1987-11-01), None
patent: 11-9721 (1999-01-01), None

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