Gas barrier coating and coated elastomeric toy balloons

Details Gas barrier coating and coated elastomeric toy balloons Gas barrier coating and coated elastomeric toy balloons

1992-05-18

1993-09-14

Yu, Mickey

Amusement devices: toys

Inflatable

427230, 428290, 244 31, A63H 2710, B05D 722

Patent

active

052444295

ABSTRACT:
Polyvinyl alcohol coatings used to improve the bouyant life of elastomeric balloons include polyvinyl alcohol and a water soluble carbohydrate extender such as dextrose, at levels up to four times the weight of the polyvinyl alcohol. The improved coatings of the present invention typically give double the floating life of the balloon under a wide range of humidities.

REFERENCES:
patent: 2037049 (1936-04-01), Sager
patent: 3611623 (1971-10-01), Copstead
patent: 4077588 (1978-03-01), Hurst
patent: 4290763 (1981-09-01), Hurst
patent: 4634395 (1987-01-01), Burchett

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