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US 2016/0247004 A1Published application
Marking paper products
AssigneeXyleco, Inc.
InventorMarshall Medoff
Life of this patent
Estimating the term…
Abstract
Methods of marking paper products and marked paper products are provided. Some methods include irradiating the paper product to alter the functionalization of the paper.
Claims12
A marked paper product comprising:
- a sheet comprising a cellulosic or lignocellulosic fibrous paper material comprising fibers derived from a non-wood fiber source,
- wherein the cellulosic or lignocellulosic fibrous material of an irradiated discrete, predefined portion of the sheet contains functional groups or a number thereof not present in the sheet prior to irradiation or in a non-irradiated portion of the cellulosic or lignocellulosic fibrous material.
The marked paper of claim 6 wherein the synthetic fibers include polyethylene and/or polypropylene.
Dependencies are inferred from the claim text.