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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12441862 B1

PDFFull Text
Date of Patent:
Oct. 14, 2025

Filed:

Sep. 19, 2023

Process for recycling polyethylene terephthalate using a washing reactor

Applicant:

Revalyu Resources Gmbh, Kleinostheim, DE;

Inventors:

Suresh L. Makhija, Mumbai, IN;

Dhanvant Yeola, Nashik, IN;

Christian Neumann, Hanau, DE;

Assignee:

Revalyu Resources GmbH, Kleinostheim, DE;

Attorney:

Dicke, Billig & Czaja, PLLC

Primary Examiner:

Terressa Boykin

Int. Cl.
CPC ...
C08G 63/00 (2006.01); B29B 17/02 (2006.01); C07C 69/80 (2006.01); C08G 63/89 (2006.01); C08J 11/02 (2006.01); C08J 11/24 (2006.01);
U.S. Cl.
CPC ...
C08J 11/24 (2013.01); B29B 17/02 (2013.01); C07C 69/80 (2013.01); C08G 63/89 (2013.01); C08J 11/02 (2013.01); B29B 2017/0244 (2013.01); B29B 2017/0289 (2013.01); C08J 2367/06 (2013.01);
Abstract

One aspect is a method for producing a first intermediate product. A feedstock is provided that comprises a first polyester. The feedstock is contacted with a first amount of a first organic compound in a volume section Vto obtain a first initial mixture. The first amount is in the form of a liquid. The first polyester is contacted with a further organic compound to obtain a further initial mixture. A weight average molar mass of the first polyester is reduced to obtain a first intermediate mixture. The first intermediate mixture has a first intermediate product, the further organic compound. A mass ratio of the feedstock to the first organic compound in the volume section Vis in the range of 0.02 to 3.

Find Patent Forward Citations

Makhija, Suresh. (2025). Process for recycling polyethylene terephthalate using a washing reactor (U.S. Patent No. 12441862). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12441862

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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