The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1984
Filed:
Dec. 31, 1981
Michael J DiGeronimo, Chester, NY (US);
International Paper Company, New York, NY (US);
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.