US 12,110,444 B2
1,2,3,3,3-pentafluropropene production processes
Velliyur Nott Mallikarjuna Rao, Wilmington, DE (US); Mario Joseph Nappa, Leesburg, FL (US); and Allen Capron Sievert, Elkton, MD (US)
Assigned to THE CHEMOURS COMPANY FC, LLC, Wilmington, DE (US)
Filed by THE CHEMOURS COMPANY FC, LLC, Wilmington, DE (US)
Filed on Nov. 10, 2023, as Appl. No. 18/506,244.
Application 14/050,636 is a division of application No. 13/539,963, filed on Jul. 2, 2012, abandoned.
Application 13/539,963 is a division of application No. 12/301,065, granted, now 8,263,816, issued on Sep. 11, 2012, previously published as PCT/US2007/014646, filed on Jun. 22, 2007.
Application 18/506,244 is a continuation of application No. 18/206,127, filed on Jun. 6, 2023.
Application 18/206,127 is a continuation of application No. 17/336,575, filed on Jun. 2, 2021, granted, now 11,708,516, issued on Jul. 25, 2023.
Application 17/336,575 is a continuation of application No. 16/458,350, filed on Jul. 1, 2019, granted, now 11,053,421, issued on Jul. 6, 2021.
Application 16/458,350 is a continuation of application No. 14/050,636, filed on Oct. 10, 2013, granted, now 10,392,545, issued on Aug. 27, 2019.
Claims priority of provisional application 60/816,649, filed on Jun. 27, 2006.
Prior Publication US 2024/0076536 A1, Mar. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 5/04 (2006.01); C07C 17/00 (2006.01); C07C 17/087 (2006.01); C07C 17/20 (2006.01); C07C 17/23 (2006.01); C07C 17/354 (2006.01); C07C 17/383 (2006.01); C07C 19/08 (2006.01); C07C 19/10 (2006.01)
CPC C09K 5/045 (2013.01) [C07C 17/00 (2013.01); C07C 17/087 (2013.01); C07C 17/206 (2013.01); C07C 17/23 (2013.01); C07C 17/354 (2013.01); C07C 17/383 (2013.01); C07C 19/08 (2013.01); C07C 19/10 (2013.01)] 12 Claims
 
1. A process comprising distilling a composition of 1,2,3,3,3-pentafluoropropene (HFO-1225ye), CFO-1215yb, and HFO-1234yf, and optionally one or more members selected from HFO-1243zf, HFC-245eb, HCFC-244eb, HCFC-226ea, HCFC-235bb and HFC-263fb; and isolating HFO-1225ye.