Slow release copper toxicant compositions

Details Slow release copper toxicant compositions Slow release copper toxicant compositions

1975-05-13

1977-03-15

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 67, 71 97, 71DIG1, 424 19, 424 22, 424 83, 424141, 424143, A01N 1104

Patent

active

040122212

ABSTRACT:
A method and composition for destroying disease transmitting trematode hosts over a sustained period of time by treatment with a controlled release toxicant composition. The composition comprises a water-soluble, inorganic copper salt capable of releasing copper ions in water which is substantially uniformly dispersed in a moderately crosslinked elastomer in which the copper salt is insoluble. The composition, when contacted with water, allows for the controlled and sustained release of copper ions to cause chronic intoxication and eventual destruction of the molluscan target.

REFERENCES:
patent: 2551446 (1951-05-01), Marks
patent: 3336129 (1967-08-01), Herrett et al.
patent: 3336155 (1967-08-01), Rowe
patent: 3417181 (1968-12-01), Cardarelli
patent: 3495000 (1970-02-01), Merabi et al.
patent: 3639583 (1972-02-01), Cardarelli et al.
patent: 3753676 (1973-08-01), Halley
patent: 3767809 (1973-10-01), Cardarelli
Singer, "Removal of Scale Formed During Heat, etc.," CA 56 p. 242 (1962).

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