Absorbents for airborne formaldehyde

Details Absorbents for airborne formaldehyde Absorbents for airborne formaldehyde

1984-01-16

1985-05-14

Padgett, Ben R.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

2524081, C09K 300

Patent

active

045171114

ABSTRACT:
A composition of matter comprising a permanganate salt adsorbed or chemisorbed onto a solid alkaline support useful in a method for irreversibly removing or decreasing the amount of formaldehyde in the atmosphere. The composition further provides a color change indication when the formaldehyde absorbing characteristic is exhausted. The composition can be employed in molded, pellet, particle or powder form as, for example, in a respirator filter cartridge.

REFERENCES:
patent: 1995274 (1935-03-01), Eversole
patent: 2025140 (1935-12-01), Wenzel
patent: 3049399 (1958-12-01), Gamson et al.
patent: 3118747 (1964-01-01), Codignola et al.
patent: 3201917 (1965-08-01), Wood
patent: 3226332 (1965-12-01), Lincoln et al.
patent: 4159970 (1979-07-01), Heckelsberg
patent: 4443354 (1984-04-01), Eian

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