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:
Jul. 29, 2025
Filed:
Sep. 04, 2020
Arkema France, Colombes, FR;
Jean-Luc Dubois, Colombes, FR;
ARKEMA FRANCE, Colombes, FR;
Abstract
A process for recovering and upgrading unsaturated fluorinated hydrocarbons, comprises: a) providing a foam M1 consisting of pores containing a composition C1 comprising at least one unsaturated fluorinated hydrocarbon; b1) optionally grinding or compressing said foam M1 to form a ground foam or a compressed foam; b2) optionally recovering at least a portion of said composition C1; c) depolymerizing or dissolving said foam M1 provided in step a) or said ground or compressed foam obtained in step b1); d) recovering at least a portion of said composition C1 and optionally mixing the latter with said at least a portion of the composition recovered in step b2) to form a stream A comprising at least one unsaturated fluorinated hydrocarbon; e) recovering and separating said stream A into a plurality of streams of which at least one stream B1 comprises said at least one unsaturated fluorinated hydrocarbon.