Michael J Hartman

US Patent:

7862869, Jan 4, 2011

Filed:

Oct 20, 2003

Appl. No.:

10/689478

Inventors:

Daniel S. Papenfuss - Oshkosh WI, US
Michael Scott Hartman - Oshkosh WI, US
Amy Lynn Kraimer - Omro WI, US
Sam Edward Wuest - Oshkosh WI, US

Assignee:

Milprint, Inc. - Oshkosh WI

International Classification:

B32B 27/32
B32B 1/08

US Classification:

428 341, 428 349, 428 357, 428 359, 428 367, 428349

Abstract:

The present invention provides a flexible multilayer packaging film and packages formed therefrom wherein the films include a first film layer comprising a first biaxially-oriented polymer selected from the group consisting of a polyester, a polyolefin, a polyamide, and a blend thereof and a surface-roughened portion, a second film layer comprising an adhesive, a third film layer comprising a barrier material, a fourth film layer comprising a second biaxially-oriented polymer selected from the group consisting of a polyester, a polyolefin, a polyamide, and a blend thereof and at least one score-line; wherein the packages comprise a tear-initiation area and a directional tear zone.

US Patent:

7361391, Apr 22, 2008

Filed:

Oct 2, 2002

Appl. No.:

10/263022

Inventors:

Mahmood Reza Rassouli - Lebanon PA, US
Michael Scott Hartman - Oshkosh WI, US

Assignee:

Milprint, Inc. - Oshkosh WI

International Classification:

B32B 1/08

US Classification:

428 346, 428 347, 428 353, 428 357, 428 358, 428 359, 428 366, 428355 R, 428356, 428355 N

Abstract:

Multilayered laminate films for food packaging applications which comprise at least: (a) a layer of oriented or nonoriented polyester terephthalate or oriented or nonoriented polypropylene, (b) a layer comprising at least one metal, and (c) a layer comprising at least one additive suitable for incidental food contact which provides protection against corrosion to a layer containing at least one metal is described.