Long-acting biocidal compositions and method therefor

Details Long-acting biocidal compositions and method therefor Long-acting biocidal compositions and method therefor

1984-05-25

1986-04-29

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

25218721, 25218723, 424149, C09D 514

Patent

active

045854823

ABSTRACT:
There is disclosed, in one aspect, a long-acting biocidal composition. This composition comprises a chlorine dioxide-liberating compound, such as sodium chlorite, and sufficient organic acid-generating compound, such as poly(lactic acid), to lower the pH of the composition to less than about 7. The organic acid-generating compound is present in a form whereby it is released gradually in the presence of water. Preferably the organic acid-generating compound is encapsulated within or by a film-forming polymer. In another aspect, there is disclosed a method of disinfecting a surface over a prolonged period of time. This method comprises applying to the surface a small but effective amount of the long-acting biocidal composition described above.

REFERENCES:
patent: 2482891 (1949-09-01), Aston
patent: 3885910 (1975-05-01), Fischer et al.
patent: 4084747 (1978-04-01), Alliger
patent: 4310425 (1982-01-01), Key et al.

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