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:
May. 12, 2020
Filed:
Jul. 14, 2016
Applicant:
Mexichem Fluor S.a. DE C.v., San Luis Potosi, MX;
Inventors:
Assignee:
MEXICHEM FLUOR S.A. DE C.V., San Luis Potosi, MX;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/38 (2006.01);
U.S. Cl.
CPC ...
C07C 17/38 (2013.01); C07C 17/38 (2013.01); C07C 21/18 (2013.01);
Abstract
The present invention provides a method for purifying a fluid comprising a first drying stage which comprises contacting a first fluid stream comprising one or more hydro(chloro)fluoroolefins and water with a source of sulphuric acid to produce a first treated fluid stream comprising the hydro(chloro)fluoroolefin(s) and a first spent sulphuric acid stream, wherein the first treated fluid stream comprises a lower concentration of water than the first fluid stream.