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.

Date of Patent:
Jul. 29, 2025

Filed:

Jan. 27, 2023
Applicant:

Cap Iii B.v., Urmond, NL;

Inventors:

Jasper Verduyckt, Urmond, NL;

Marijke Hilde Leen Groothaert, Urmond, NL;

Anna Dite Cuiper, Urmond, NL;

Wenjing Fu, Urmond, NL;

Johan Thomas Tinge, Urmond, NL;

Assignee:

CAP III B.V., Urmond, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 201/12 (2006.01); C07D 201/16 (2006.01); C07D 223/10 (2006.01); C08J 11/12 (2006.01); C08J 11/14 (2006.01); C08J 11/16 (2006.01);
U.S. Cl.
CPC ...
C07D 223/10 (2013.01);
Abstract

The present invention provides an improved process for the recovery of ε-caprolactam from Nylon 6 comprising multi-component material, in particular multi-layered film. Further, the invention provides a plant configured to carry out the process of the invention, and the recovered e-caprolactam obtainable by the process of the invention that has a product carbon footprint of less than 2.5 kg COequivalent per kg purified e-caprolactam (based on data originating from ecoinvent version 3.7.1; location: Europe).


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