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:
Aug. 19, 2025
Filed:
Dec. 21, 2021
Arkema France, Colombes, FR;
Anne Pigamo, Pierre-Benite, FR;
Cédric Lavy, Pierre-Benite, FR;
Arkema France, Puteaux, FR;
Abstract
A composition including at least 98 mol % of (E/Z)-1-chloro-3,3,3-trifluoropropene and less than 0.5 mol % of coproducts selected from 1,3,3,3-tetrafluoropropene and 1,1,1,3,3-pentafluoropropane. A composition obtained from a process for producing 1-chloro-3,3,3-trifluoropropene, including the step i) of contacting hydrofluoric acid (HF) in a reactor with a starting composition including at least one of the chloro compounds selected from 1,1,3,3-tetrachloropropene (1230za), 1,3,3,3-tetrachloropropene (1230zd) and 1,1,1,3,3-pentachloropropane (240fa), or a mixture thereof, to produce a stream A including 1-chloro-3,3,3-trifluoropropene (1233zd), wherein the step i) is carried out in a low-HF liquid phase.