IP Library Granted Patent US 11,447,438
Granted Patent B2
US 11,447,438 · App. 17/246,783 · Granted Sep 20, 2022

Process for preparing 3,3,3-trifluoroprop-1-ene

Inventors: Xuehui Sun (Kennett Square, PA); Karl Robert Krause (Kennett Square, PA)
Assignee: THE CHEMOURS COMPANY FC, LLC
C07C17/25C07C21/18B01J27/10C07C17/04C07C17/07C07C19/10
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Quick Facts
Patent No.
US 11,447,438
App. No.
17/246,783
Granted
Sep 20, 2022
Kind
B2
Abstract

The present application provides a process of preparing 3,3,3-trifluoroprop-1-ene, comprising reacting 3-chloro-1,1,1-trifluoropropane with a base in an aqueous solvent component in the absence of a phase transfer catalyst.

Claims (13)

1. A composition comprising:

i) between about 0.1 to about 0.1 mol % 1,1,1,3-tetrafluoropropane (254fb); and

ii) about 70% or greater 3,3,3-trifluoroprop-1-ene (1243zf).

2. The composition of claim 1 , wherein the composition further comprises 2-chloro-3,3,3-trifluoropropene (1233xf).

3. The composition of claim 1 , wherein the composition further comprises 3-chloro-1,1,1-trifluoropropane (253fb).

4. The composition of claim 1 , wherein the composition comprises 1,1,1-trifluoro-2,3-dichloropropane (243db).

5. The composition of claim 1 , wherein the composition further comprises a catalyst.

6. The composition of claim 4 further comprising 1233xf.

7. The composition of claim 6 further comprising 244bb.

8. A composition comprising:

i) from about 0.01 to about 0.1 mol % 1,1,1,3-tetrafluoropropane (254fb);

ii) 3,3,3-trifluoroprop-1-ene (1243zf); and

iii) at least one member selected from the group consisting of 243db, 1233xf and 244bb.

Assignments (1)
SECURITY INTEREST Recorded Mar 2, 2022
From: THE CHEMOURS COMPANY FC, LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
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