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Application 20180002097
Stitzi, Llc

Sustainable Paper Composites And Food Packaging Assemblies

A sustainable paper composite food packaging material includes an absorbent layer and a non-absorbent layer, the absorbent layer in one embodiment having an oleophilic surface and the non-absorbent layer having an oleophobic surface. The absorbent layer is physiologically safe for food contact applications, such as removing oil and grease from pizza and other cooked foods. Food packaging assemblies containing the sustainable paper composite material, for example, a pizza box assembly, and methods of using the composite material to blot oil and other liquids from food surfaces are also described herein. In one embodiment, the composite material is positioned beneath the pizza with the absorbent layer facing upwardly to contact the underside of the pizza in use.

Slightly Less than Average Length Specification


1 Independent Claims

  • Claim 1. A composite material comprising: a paper surface having compostable, non-toxic absorbent and non-absorbent layers dimensioned to fit inside a pizza box assembly, the paper surface further dimensioned to cover the entire bottom surface of the pizza box assemblythe absorbent layer comprised of one or more layers of biodegradable paper fibers, the outer layer of fibers having a textured surface, the absorbent layer for absorbing oil and grease from the underside of a pizza opposite the toppings and cheeseand the non-absorbent layer applied to the back of the absorbent layer by film lamination, the non-absorbent layer comprising one or more layers of biodegradable polymeric film, the non-absorbent layer for trapping liquids in the absorbent layer in order to prevent liquids from bleeding through the non-absorbent layerthe composite paper material for absorbing excess liquids from pizza when contacting at least one surface of the pizza with the absorbent layer, the composite paper material further for making the pizza box assembly recyclable by preventing grease absorbed from a pizza placed inside the pizza box assembly from contacting any surface of the pizza box assembly.
  • Claim 11. A pizza box assembly comprising: a collapsible rectangular box composed of cardboard, the rectangular box having an inner cavity for holding pizzaa liner disposed in the inner cavity, the liner for absorbing excess fluids from pizza inserted into the box, the liner dimensioned to fit inside the pizza box assembly, the liner further dimensioned to cover an entire bottom surface of the pizza box assembly, the liner comprising: a composite material having compostable, non-toxic absorbent and non-absorbent layersthe absorbent layer comprising one or more layers of biodegradable paper fibers, the outer layer of fibers having a textured surface comprising bi-component micro-fibers, the absorbent layer for absorbing oil and grease from an underside of a pizza opposite toppings and cheeseand the non-absorbent layer applied to the back of the absorbent layer by film lamination, the non-absorbent layer comprising one or more layers of polymeric film, the non-absorbent layer for trapping liquids in the absorbent layer so that the liquids do not bleed through the non-absorbent layerthe composite material for absorbing excess liquids from pizza when contacting at least one surface of the pizza with the absorbent layer, the composite paper material further for making the pizza box assembly recyclable by preventing grease absorbed from a pizza placed inside the pizza box assembly from contacting any surface of the pizza box assembly.
  • Claim 19. A food packaging pouch comprising: a sealable, rectangular receptacle having an inner cavity for disposing take out food, the receptacle composed of a compostable, non-toxic composite material, the composite material comprising: an absorbent layer comprised of one or more layers of biodegradable paper fibers, the outer layer of fibers having a textured surface comprising bi-component micro-fibers, the absorbent layer for absorbing oil and grease from at least one surface of take out foodand a non-absorbent layer applied to the back of the absorbent layer by film lamination, the non-absorbent layer comprising one or more layers of polymeric film, the non-absorbent layer for trapping liquids in the absorbent layer so that the liquids do not bleed through the non-absorbent layerthe composite material for absorbing excess liquids from take out food when contacting at least one surface of take out food with the absorbent layer, the composite paper material further for making the food packaging pouch recyclable by preventing grease absorbed from a surface of take out food placed inside the food packaging pouch from contacting any surface of the pouch.


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