METHOD FOR STERILIZING AND DECONTAMINATING POST-CONSUMER ABSORBENT SANITARY PRODUCTS POLLUTED WITH ORGANIC COMPOUNDS DERIVED FROM HUMAN METABOLISM

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United States of America Patent

APP PUB NO 20220257823A1
SERIAL NO

17621729

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for sterilizing and decontaminating post-consumer absorbent products polluted with organic compounds derived from human metabolism including drug residues, the post-consumer absorbent sanitary products comprising fractions of plastic, super-absorbent polymers (SAP), and optionally cellulose, the method including at least the steps of: sterilizing (SR) the absorbent sanitary post-consumer products by heating to a temperature equal to or less than 140° C., and to a pressure lower than 4 bar, decontaminating (DC) the post-consumer absorbent sanitary products of organic compounds by treating with an oxidizing composition comprising at least one compound selected from the group consisting of hydrogen peroxide, sodium percarbonate, potassium percarbonate, sodium perborate, potassium perborate, potassium monopersulfate, ammonium persulfate, sodium persulfate, potassium persulfate, and ozone. The at least one compound is contained in the oxidizing composition in an amount equal to or greater than 2% by weight with respect to the dry weight of the post-consumer absorbent sanitary products.

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Patent Owner(s)

Patent OwnerAddress
THE PROCTER & GAMBLE COMPANYATTENTION CHIEF PATENT COUNSEL ONE PROCTER & GAMBLE PLAZA CINCINNATI OH 45202

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CARUSO, Tonino Spoltore (Pescara), IT 5 1
D'ALESSIO, Nicola Spoltore (Pescara), IT 9 202
PALOMBI, Laura Spoltore (Pescara), IT 1 1
PIGNALOSA, Giorgio Spoltore (Pescara), IT 1 1
SOMMA, Marcello Spoltore (Pescara), IT 8 30
VACCARO, Giorgio Spoltore (Pescara), IT 9 30

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