US Patent Issued to Revalyu Resources on April 14 for "Process for recycling polyethylene terephthalate using a gradient in impurity concentration" (Indian, German Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,836, issued on April 14, was assigned to Revalyu Resources GmbH (Kleinostheim, Germany).

"Process for recycling polyethylene terephthalate using a gradient in impurity concentration" was invented by Suresh L. Makhija (Mumbai, India), Dhanvant Yeola (Nashik, India) and Christian Neumann (Hanau, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect is a method for producing a first intermediate product.A feedstock is provided that comprises a first polyester.The first polyester is contacted with a further amount of a first organic compound in a volume section V2.At least one impurity is present in the volume section V2, and the volume sec...