Activated carbon products and their manufacture

Details Activated carbon products and their manufacture Activated carbon products and their manufacture

1983-09-13

1985-07-16

Lesmes, George F.

Coating processes

Heat decomposition of applied coating or base material

Base material decomposed or carbonized

427381, 427439, B05D 302

Patent

active

045296235

ABSTRACT:
An activated carbon product such as a charcoal cloth or felt has, in addition to any activating material, a metal uniformly dispersed therein. The metal may be catalytic or bactericidal, and a particularly preferred product of the invention contains silver and is suitable for use as a surgical dressing. Such products can be produced by a conventional activation procedure using a mixture of halides, even if the further metal halide is substantially insoluble in the impregnation solution used for activation, by incorporating in the solution ammonia and a sequestering agent such as citric acid.

REFERENCES:
patent: 2847332 (1958-08-01), Ramadanoff
patent: 3847833 (1974-11-01), Bailey et al.
patent: 4242226 (1980-12-01), Siren
patent: 4274979 (1981-06-01), Simpson
patent: 4409125 (1983-10-01), Nishino et al.

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