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. 01, 2000
Filed:
Oct. 08, 1997
Brian K Murdick, Columbus, OH (US);
Lewis H Sita, Worthington, OH (US);
Todd A Stevens, West Worthington, OH (US);
Vera T Stavroff, New Albany, OH (US);
Abbott Laboratories, Abbott Park, IL (US);
Abstract
Aseptically sterilized package of a liquid nutritional product manufactured by (a) providing a multi-layered plastic sheet having at least one polymeric structural layer and at least one polymeric barrier layer; (b) passing the sheet through a peroxide bath; (c) locating the sheet in a sterile environment; (d) applying heat a plurality of times to the sheet; (e) forming the sterilized sheet into a container having a body portion; (f) filling the body portion with a liquid nutritional product; (g) sealing the container with a tabbed, multi-layered closure; and (h) separating the sealed container from the remainder of the sheet. Preferably the liquid nutritional product is infant formula. In the preferred embodiment of the invention, the sheet is a laminate having two structural layers, each being about 45% of the laminate thickness and secured to either side of the barrier layer, which is about 5% of the laminate thickness, by an adhesive layer of about 2.5% of the laminate thickness. The container is prepared by thermoforming and deep drawing the multi-layered sheet. Pressure forming of the container is performed with the sheet temperature being 162.degree. C. using a plug-assist and a pressure of about 5 BAR. Once filled, the container is sealed using a thermo sealing process.