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:
Jun. 23, 1998
Filed:
Mar. 03, 1997
Applicant:
Inventors:
Charles S Sizer, Hawthorne Woods, IL (US);
Ronald W Swank, Crystal Lake, IL (US);
Assignee:
Tetra Laval Holdings & Finance, SA, Pully, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
424616 ; 424606 ; 424615 ;
Abstract
A method of disinfecting the food contact surfaces of a food packaging machine comprises introducing to the machine an aqueous solution comprising from about 0.1% to about 1% by weight of hydrogen peroxide and from about 0.01% to about 0.1% by weight of sodium acid pyrophosphate. The food contact surfaces are contacted with the solution at a temperature of at least about 70.degree. C. for a time period of at least about 15 minutes.