Method for recycling sheet material coated with a release agent and uses of the thus recycled material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9194120
APP PUB NO 20130216734A1





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The present invention concerns a method for treating waste material comprising: —Collecting release coated cellulose or polymeric sheets from producers and end-users thereof in the form of dense, bulky masses, such as rolls and stacks; —Pre-shredding the dense, bulky masses of release coated sheets into smaller, less dense masses in preparation to the following process steps; —Preparing the pre-shredded material by mixing, separating foreign bodies like metals, etc., and feeding it to a primary grinding station (3); —Grinding the materials into small pieces, of the desired size, preferably down to less than 1 mm; —Adding additives selected from flame retardant, hydrophobic material, pesticide and mixtures thereof and mixing them with the recycled material; —Optionally forming a batt or a sheet by a wet process and/or by adding a binder.

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Patent Owner(s)

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International Classification(s)


Inventor Name Address # of filed Patents Total Citations
Van, Pottelbergh Eric Geetbets, BE 3 4
Verhasselt, Bart Willebroek, BE 2 4

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