Delayed time actuation for total-release containers and similar

Details Delayed time actuation for total-release containers and similar Delayed time actuation for total-release containers and similar

1988-02-10

1989-04-25

Huppert, Michael S.

Dispensing

Automatic control

Temperature responsive or soluble controller

222182, 22240214, 222 1, 137 67, B67D 508

Patent

active

048239860

ABSTRACT:
Time-delayed propellant device for release of an active agent from the device by materials which are susceptible to displacement by various actuating factors in the propellant device.

REFERENCES:
patent: 2244302 (1941-06-01), Lynn et al.
patent: 2297690 (1942-10-01), Nitardy
patent: 2759768 (1956-08-01), Sato
patent: 3399806 (1968-09-01), Lucas
patent: 3765573 (1973-10-01), Landsman
patent: 3800878 (1974-04-01), Poitras
patent: 3961669 (1976-06-01), Kaneko
patent: 4121734 (1978-10-01), Soong et al.
patent: 4426025 (1984-01-01), Knickerbocker
patent: 4522322 (1985-06-01), Guntermann et al.

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