Amusement devices: games – Board games – pieces – or boards therefor – Electrical
Patent
1989-07-05
1991-03-19
Liberman, Allan M.
Amusement devices: games
Board games, pieces, or boards therefor
Electrical
525201, 26099814, 524908, A63B 3712
Patent
active
050004590
ABSTRACT:
The golf ball cover is made from about 90 to about 50 parts by weight of a lithium ionomer resin and about 10 to about 40 parts by weight sodium ionomer resin. The cover has excellent durability.
REFERENCES:
patent: 3264272 (1966-08-01), Rees
patent: 3454280 (1969-07-01), Harrison
patent: 3819768 (1974-06-01), Molitor
patent: 4323247 (1982-04-01), Keches et al.
patent: 4508309 (1985-04-01), Brown
patent: 4567219 (1986-01-01), Tominaga et al.
E. I. Du Pont de Nemours & Co., Inc., "Ionomer Blends for Golf Ball Covers", Research Disclosure #27103, Kenneth Mason Publications Ltd., Nov. 1986.
E. I. Du Pont de Nemours & Co., Inc., "Golf Balls Based on Lithium Ionomers or Blends with Lithium Ionomers", Research Disclosure #27221, Kenneth Mason Publications, Ltd., Dec. 1986.
Acushnet Company
Liberman Allan M.
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