IP Library Granted Patent US 11,332,424
Granted Patent B2
US 11,332,424 · App. 17/025,109 · Granted May 17, 2022

Conversion of chlorofluororopanes and chlorofluropropenes to more desirable fluoropropanes and fluororopenes

Inventor: Xuehui Sun (Kennett Square, PA)
Assignee: THE CHEMOURS COMPANY FC, LLC
C07C17/354C07C17/23C07C17/25C07C19/08C07C19/10C07C21/18
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,332,424
App. No.
17/025,109
Granted
May 17, 2022
Kind
B2
Abstract

A process is provided comprising contacting and reacting the compound CF 3 CF 2 CHXCl, wherein X is H or Cl, or the compound CF 3 CF═CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—Pd, Ni—Cu, and Ni—Pd, to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes, notably CF 3 CF═CH 2 and CF 3 CH═CHF.

Claims (7)

1. A composition comprising HFO-1234ze (CF 3 CH═CHF), HCFC-235cb (CF 3 CF 2 CH 2 Cl), HCFC-245fa (CF 3 CH 2 CF 2 H) and HCFO-1224xe (CF 3 CCl═CHF).

2. The composition of claim 1 further comprising at least one member selected from the group consisting of HFO-1234yf (CF 3 CF═CH 2 ), HCFO-1224yd (CF 3 CF═CHCl), and HCFC-225ca (CF 3 CF 2 CHCl 2 ).

3. The composition of claim 1 further comprising at least one member selected from the group consisting of HFO-1234yf (CF 3 CF═CH 2 ), HCFO-1224yd (CF 3 CF═CHCl), and CFO-1214ya (CF 3 CF═CCl 2 ).

4. The composition of claim 2 wherein the member comprises HFO-1234yf.

5. The composition of claim 2 wherein the member comprises HCFO-1224yd.

6. The composition of claim 2 wherein the member comprises HCFC-225ca.

7. The composition of claim 3 wherein the member comprises CFO-1214ya.

Assignments (1)
SECURITY INTEREST Recorded Apr 15, 2021
From: THE CHEMOURS COMPANY FC, LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 055950/0007 →
Continuity (7)
Continuation 16775308 · Jan 29, 2020
Continuation 16435615 · Jun 10, 2019
Continuation 15786199 · Oct 17, 2017
Continuation 15466148 · Mar 22, 2017
Continuation 14680092 · Apr 7, 2015
Provisional Application 61980157 · Apr 16, 2014
Related Publication 20210002190A1 · Jan 7, 2021
Cited By (1)
US 12,522,758