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:
Aug. 02, 1983
Filed:
Mar. 24, 1981
Applicant:
Inventor:
Tokio Kodera, Fuchu, JP;
Assignee:
Dai Nippon Insatsu Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
422300 ; 53167 ; 422 24 ; 422 31 ;
Abstract
An object such as a food packaging material is sterilized first by immersion in a nontoxic sterilizing liquid and then by exposure to ultraviolet irradiation. The sterilizing liquid can be either an organic acid solution or hot water. Alternatively, the object is simultaneously treated with both sterilizing agents, by being irradiated with ultraviolet rays while being dipped in the sterilizing liquid. The liquid is reconditioned, as by filtration and ultraviolet irradiation while being recirculated through a closed circuit. The apparatus is disclosed as adapted for the sterilization of a continuous strip of food packaging film.