Formaldehyde detecting material

Details Formaldehyde detecting material Formaldehyde detecting material

2006-09-05

2006-09-05

Cole, Monique T. (Department: 1743)

Chemistry: analytical and immunological testing

Oxygen containing

Carbonyl, ether, aldehyde or ketone containing

C436S164000, C436S169000, C422S051000, C422S051000, C422S051000, C422S051000, C422S083000

Reexamination Certificate

active

07101716

ABSTRACT:
A detecting material to detect formaldehyde at low concentration in the atmosphere in a short time is prepared by impregnating a base material containing at least silica gel with a coloring liquid containing 4-amino-4-phenyl-3-ene-2-one and a buffer solution and volatilizing the solvent.

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patent: 4666859 (1987-05-01), Attar
patent: 4844867 (1989-07-01), Bather
patent: H07-55792 (1995-03-01), None
patent: H07-229889 (1995-08-01), None
Akiba et al. Ring Transformation Equilibrium (Bond Switch) in the 5-2(-Aminovinyl)isothiazole System via Hypervalent Sulfurane, Synthesis, Structure Development, and Kinetic Study, J. Am. Chem. Soc, 1985, 107, 2721-2730.

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