Method for sterilization with formalin

Details Method for sterilization with formalin Method for sterilization with formalin

1983-08-01

1984-05-08

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using direct contact steam to disinfect or sterilize

422 33, 422 36, 422114, 422116, 422298, A61L 220, A61L 206

Patent

active

044473940

ABSTRACT:
An apparatus and method for sterilizing particles in an autoclave with an atmosphere of formaldehyde and water vapor so that the sterilized articles have tolerable quantities of residue of formaldehyde and paraformaldehyde thereon. In the process, formalin is used which is transformed to a gaseous condition and supplied to the autoclave. The apparatus is provided with a vaporizer for formalin in which the vaporizer is provided with a liquid trap so that the formalin becomes said water vapor and formaldehyde.

REFERENCES:
patent: 781818 (1905-02-01), Fournier
patent: 903853 (1908-11-01), Garther
patent: 1593121 (1926-07-01), Gray
patent: 2080179 (1937-05-01), Merriam et al.
patent: 2125375 (1938-08-01), Hinegardner
patent: 3409389 (1968-11-01), Bjork
patent: 3436170 (1969-04-01), Lodge
patent: 3598516 (1971-08-01), Shull et al.
Pickenll, J. K., "Practical System for Steam-Formaldehyde Sterilizing", Laboratory Practice; vol. 24, No. 6; 6/75; pp. 401-404.

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