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.:
Date of Patent:
Oct. 24, 2023
Filed:
Feb. 19, 2021
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Markus E. Hirschberg, Mühldorf, DE;
Klaus Hintzer, Kastl, DE;
Thomas G. Kolbeck, Burgkirchen, DE;
Matthias Wieland, Eggstätt, DE;
Peter Bauer, Wittibreut, DE;
Achim Schmidt-Rodenkirchen, Bayreuth, DE;
Thorsten Gerdes, Eckersdorf, DE;
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/367 (2006.01); B01J 8/08 (2006.01); B01J 8/10 (2006.01); C08J 11/14 (2006.01); C10B 53/07 (2006.01);
U.S. Cl.
CPC ...
C07C 17/367 (2013.01); B01J 8/085 (2013.01); B01J 8/10 (2013.01); C08J 11/14 (2013.01); C10B 53/07 (2013.01); B01J 2208/00442 (2013.01); B01J 2208/00867 (2013.01); B01J 2208/00884 (2013.01); C08J 2327/12 (2013.01);
Abstract
Mechanical stirred bed reactors that incorporate a screen are described. Methods of using such reactors to process perfluoropolymers to form perfluorinated olefin monomers are also described. The reactors and methods may be used to upcycle filled perfluorinated materials.