IP Library Patent Application 18426929
Patent Application
App. No. 18/426,929

HFO-1234ZE, HFO-1225ZC AND HFO-1234YF COMPOSITIONS AND PROCESSES FOR PRODUCING AND USING THE COMPOSITIONS

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Quick Facts
Patent No.
US None
App. No.
18/426,929
Filed
Jan 30, 2024
Art Unit
1692
USPC
62/114
Abstract

A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2,3,3,3-tetrafluoropropene, and optionally 1,1,1,3,3-pentafluoropropane wherein the 2,3,3,3-tetrafluoropropene being present in an amount of 0.00001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed.

Claims (50)

1 - 18 . (canceled)

19 . A composition comprising:

a. E-1,3,3,3-tetrafluoropropene (HFO-E-1234ze),

b. Z-1,3,3,3-tetrafluoropropene (HFO-Z-1234ze), and

c. at least two additional members selected from 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,1,2,2,2-pentafluoroenthane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1, difluoromethane (HFC-152a), 1,3,3,3-pentafluoropropene (HFO-1225zc), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 3,3-trifluoropropene (HFO-1243zf), and wherein based on the total amount of the composition, one or more additional members is present in an amount selected from one of:

i. from >0.00001 mole % to 1 moles %;

ii. from >0.00001 mole % to 2 moles %;

iii. from >0.00001 mole % to 3 moles %;

iv. from about 5 wt. % to about 95 wt. %;

v. from about 50 wt. % to about 90 wt. %; and

vi. from about 60 wt. % to about 80 wt. %.

20 . The composition of claim 19 further comprising as one of the two additional members HFO-Z-1233zd in an amount between >0 and up to 0.5 mole percent, based on the total amount of the composition.

21 . The composition of claim 19 wherein the total amount of additional members including HFO-Z-1234ze is selected from one of:

a. ≤0 to than about 0.5 wt. %,

b. ≤0 to less than about 1 wt. %,

c. >0 to ≤ 0.3 wt. %,

d. >0 to ≤ 0.1 wt. %, or

e. >0 to ≤ 0.01 wt. %.

22 . The composition of claim 21 wherein the composition is near-azeotropic and the bubble point vapor pressure and the dew point pressure of the composition at a particular temperature are substantially the same.

23 . The composition of any of claim 19 further comprising at least one lubricant.

24 . A process for transferring heat, comprising:

a. providing an article;

b. contacting the article with a heat transfer media; wherein the heat transfer media comprises the composition of claim 19 .

25 . A refrigeration system, comprising:

a. an evaporator; a condenser;

b. a compressor;

c. an expansion device; and a heat transfer media; wherein the heat transfer media comprises the composition of claim 19 .

26 . The process of claim 24 wherein the article comprises electrical equipment.

27 . The composition of claim 19 wherein one of the additional members comprises HCFO-1233zd containing at least one of HCFO-E-1233zd and HCFO-Z-1233zd.

28 . The composition of claim 19 wherein one of the additional members comprises E/Z-1,2,3,3,3-pentafluoropropene (HFO-E/Z-1225ye).

29 . A process comprising: replacing a heat transfer medium of a heat transfer system including an evaporator, a condenser, a compressor, an expansion device by removing the existing medium and charging the system with a composition comprising:

a. E-1,3,3,3-tetrafluoropropene (HFO-E-1234ze),

b. Z-1,3,3,3-tetrafluoropropene (HFO-Z-1234ze), and

c. at least two additional members selected from 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,1,2,2,2-pentafluoroenthane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1, difluoromethane (HFC-152a), 1,3,3,3-pentafluoropropene (HFO-1225zc), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 3,3-trifluoropropene (HFO-1243zf), and wherein based on the total amount of the composition, each additional members independently present in an amount selected from one of:

i. from >0.00001 mole % to 1 moles %;

ii. from >0.00001 mole % to 2 moles %;

iii. from >0.00001 mole % to <3 moles %;

iv. from about 5 wt. % to about 95 wt. %;

v. from about 50 wt. % to about 90 wt. %; and

vi. from about 60 wt. % to about 80 wt. %.

30 . A process for transferring heat from an article selected from one of circuit board, computer, display, semiconductor chip, or transformer comprising containing the article with a composition:

a. E-1,3,3,3-tetrafluoropropene (HFO-E-1234ze),

b. Z-1,3,3,3-tetrafluoropropene (HFO-Z-1234ze), and

c. at least two additional members selected from 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,1,2,2,2-pentafluoroenthane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1, difluoromethane (HFC-152a), 1,3,3,3-pentafluoropropene (HFO-1225zc), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 3,3-trifluoropropene (HFO-1243zf), and wherein based on the total amount of the composition, the two or more additional members independently present in an amount selected from one of:

from >0.00001 mole % to 1 moles %;

from >0.00001 mole % to 2 moles %;

from >0.00001 mole % to 3 moles %;

from about 5 wt. % to about 95 wt. %;

from about 50 wt. % to about 90 wt. %; and

from about 60 wt. % to about 80 wt. %.

Assignments (1)
SECURITY INTEREST Recorded Apr 10, 2025
From: THE CHEMOURS COMPANY FC, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 070812/0603 →