Sterilization of packaging material

Details Sterilization of packaging material Sterilization of packaging material

1981-12-31

1984-01-03

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using sonic or ultrasonic energy

422 24, 422300, A61L 210, A61L 208

Patent

active

044241887

ABSTRACT:
A method for sterilizing packaging material, the packaging material being employed subsequent to its sterilization for the aseptic packaging of foodstuffs. The method includes the steps of (1) first subjecting the packaging material to ultrasonic vibrations through a liquid medium, and (2) then subjecting the packaging material to ultraviolet radiation. The bactericidal effect of steps (1) and (2) combined together as a sequence in the order recited is greater than if practiced in the reverse order. The process of this invention can be applied to a moving web of packaging material. The moving web, after its sterilization treatment, can be fed through known machinery for forming, filling, and sealing of aseptic packages for foodstuffs.

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R. M. G. Boucher; "Advances in Sterilization Techniques", American Journal of Hospital Pharmacy; vol. 29; pp. 660-672; 8/72.

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