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. 06, 2000
Filed:
Dec. 02, 1996
Peter Frisk, Chicago, IL (US);
Tetra Laval Holdings & Finance, SA, Pully, CH;
Abstract
A high barrier, multilayer laminate is disclosed that is suitable for forming packages that contain oxygen sensitive products. The laminate material has a coextruded multilayer material that includes from exterior to interior: i) an outside sealing and decorative layer, ii) a light barrier layer including an adhesive disposed interior to the outside sealing and decorative layer, iii) a barrier polymer layer disposed interior to the light barrier layer, iv) an oxygen scavenger layer including an adhesive disposed interior to the barrier polymer layer, and v) an inside sealing layer disposed interior to the oxygen scavenger layer. A further laminate structure suitable for forming a package containing an oxygen sensitive product is also disclosed. The further laminate includes a first layer of linear low density polyethylene, a carbon black layer including an adhesive disposed interior to the first layer of linear low density polyethylene; a layer of EVOH disposed interior to the carbon black layer, an oxygen scavenger layer including an adhesive disposed interior to the EVOH layer, and a second layer of linear low density polyethylene disposed interior to the scavenger layer.