Golf ball rubber compositions and golf balls

Details Golf ball rubber compositions and golf balls Golf ball rubber compositions and golf balls

2007-11-06

2007-11-06

Buttner, David J. (Department: 1712)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S179000, C525S193000, C473S371000, C473S372000

Reexamination Certificate

active

11067921

ABSTRACT:
A rubber composition for a one-piece golf ball or for a solid core of a solid golf ball having a multilayer construction in which the core is enclosed directly, or with an intermediate layer, by a cover includes (a) 100 parts by weight of a base rubber, (b) 10 to 60 parts by weight of a co-crosslinking agent, (c) 5 to 80 parts by weight of an inorganic filler, (d) 0.1 to 5 parts by weight of an organic peroxide, (e) 0.05 to 5 parts by weight of an organosulfur compound, (f) 0.05 to 5 parts by weight of sulfur, and (g) 1 to 10 parts by weight of a binary copolymer consisting of a polyolefin component and a polyamide component. Golf ball rubber compositions and golf balls made using such compositions have a good resilience and excellent durability.

REFERENCES:
patent: 6846879 (2005-01-01), Iwami
patent: 2003/0073784 (2003-04-01), Ohama
patent: 2003/0114251 (2003-06-01), Fushihara et al.
patent: 7-48477 (1995-02-01), None
patent: 2003-180870 (2003-07-01), None
patent: 2003-210615 (2003-07-01), None

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