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. 17, 2017
Filed:
Jan. 17, 2017
Applicant:
Mexichem Amanco Holding S.a. DE C.v., Tlalnepantla, MX;
Inventors:
Assignee:
Mexichem Amanco Holding S.A. de C.V., Tlalnepantla, MX;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/389 (2006.01);
U.S. Cl.
CPC ...
C07C 17/389 (2013.01); C07C 17/389 (2013.01); C07C 21/18 (2013.01);
Abstract
A process for removing one or more undesired (hydro)halocarbon compounds containing a ═CFmoiety from a (hydro)fluoroalkene that does not contain a ═CFmoiety, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminum-containing absorbent, activated carbon, or a mixture thereof, wherein the or each undesired (hydro)halocarbon compound is present in an amount of from about 0.1 to about 1000 ppm, based on the weight of the composition comprising the R-1234yf and one or more undesired (hydro)halocarbon compounds.