Pressureless tennis ball

Details Pressureless tennis ball Pressureless tennis ball

1977-08-08

1979-03-20

Lieberman, Allan

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

260 5, 26099814, A63B 3900

Patent

active

041450450

ABSTRACT:
A pressureless tennis ball based on an elastomeric composition including natural rubber, cis 1,4-polybutadiene, and a copolymer of ethylene and at least one unsaturated monocarboxylic acid containing from three to eight carbon atoms, said copolymer containing up to 30 percent by weight of said acid.

REFERENCES:
patent: 3454280 (1969-07-01), Harrison et al.
patent: 3940146 (1976-02-01), Little
patent: 4056269 (1977-11-01), Pollitt et al.
The Condensed Chemical Dictionary, Eighth Edition, Van Nostrand Reinhold Co., 1971, p. 841.

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