US Patent Issued to ESENTTIA on June 3 for "Process of extraction, quantification and recovery of additives in polypropylene with natural biodegradable solvents and use of the polypropylene resulting from the multiple extractions" (Colombian Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,789, issued on June 3, was assigned to ESENTTIA S.A. (Bolivar, Colombia).

"Process of extraction, quantification and recovery of additives in polypropylene with natural biodegradable solvents and use of the polypropylene resulting from the multiple extractions" was invented by Joaquin Alejandro Hernandez Fernandez (Bolivar, Colombia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process of extraction, quantification and recovery of additives in polypropylene with the stages of washing the plastic material (A), grinding the material (A) to a particle size from 10 to 500 microns, extraction where the material (A) is transferred to a column (1) and th...