Seeded gas plasma sterilization method

Details Seeded gas plasma sterilization method Seeded gas plasma sterilization method

1978-03-16

1980-06-10

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using microwave energy

422 22, 422 23, 422 28, 422 33, 422 36, 422 37, A61L 100, A61L 500, A61L 1300, A61L 1302

Patent

active

042072867

ABSTRACT:
A method to sterilize the surfaces of objects placed in a continuous flow of a low temperature, low pressure gas plasma, containing small amounts of aromatic, heterocyclic and saturated or unsaturated acyclic aldehydes alone or mixtures thereof. Said gas plasma is a partially ionized gas composed of ions, electrons and neutral species. It is created by electromagnetic discharges at subatmospheric pressure in the 1 to 10,000 Megahertz range, and corresponds to a minimum average spatial energy density of 0.001 watts per cubic centimeter.
The gas plasma may also contain other vaporized cidal agents. Contrary to most sterilant gases, the method is safe, allows quick handling of heat sensitive items, does not corrode equipment and does not leave toxic residues.

REFERENCES:
patent: 3383163 (1968-05-01), Menashi
patent: 3490500 (1970-01-01), Brumfield et al.
patent: 3551090 (1970-12-01), Brumfield et al.
patent: 3600126 (1971-08-01), Hellund
patent: 3701628 (1972-10-01), Ashman et al.
patent: 3753651 (1973-08-01), Boucher
patent: 3876373 (1975-04-01), Glyptis
patent: 3948601 (1976-04-01), Fraser et al.
patent: 3968248 (1976-07-01), Boucher

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