# US 10,870,615 B2 · Compositions containing 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb)

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- Number: US 10,870,615 B2
- Document ID: US10870615B2
- Status: Granted
- Kind: B2
- Application number: 16/279,542
- Filed: 2019-02-19
- Published: 2019-07-11
- Granted: 2020-12-22
- Earliest claimed: 2018-01-08
- Assignees: Honeywell International Inc.
- Applicants: Honeywell International Inc.
- Inventors: Haiyou Wang
- Web page: https://patentgrep.com/patent/US10870615B2

## CPC

- C07C 19/10: and chlorine
- C07C 17/25: by splitting-off hydrogen halides from halogenated hydrocarbons
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS

## Abstract

The present disclosure provides various compositions including 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and at least one impurity comprising 2,3,3,3-tetrafluoropropene (HFO-1234yf), pentafluoropropene (HFO-1225ye isomer(s)), 1,3,3,3-tetrafluoropropene (HFO-1234ze isomer(s)), 1,1,1,2,2-pentafluoropropane (HFC-245cb), 1,1,1,2-tetrafluoropropane (HFC-254eb), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 1-chloro-1,1,2,2-tetrafluoropropane (HCFC-244cc), chlorotetrafluoropropene (HCFO-1224 isomers), E-1-chloro-3,3,3-trifluoropropene (HCFO-1233zdE), 1,1,1,3,3-pentafluoropropane (HFC-245fa), heptafluorobutane (HFC-347 isomers), 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da), 3-chloro-1,1,1,2-tetrafluoropropane (HCFC-244eb), 3-chloro-3,3,3-trifluoropropane (HCFC-253fb), dichlorotrifluoropropene (HCFO-1223 isomers), 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb), 2,2-dichloro-1,1,1-trifluoropropane (HCFC-243db), chlorohexafluorobutene (HFO-1326 isomers), hexafluorobutene (HFO-1336 isomers), pentafluorobutene (HFO-1345 isomers), heptafluorobutene (HFO-1327 isomers), tetrafluorohexane (HFC-5-11-4 isomers), 1,3,3,3-tetrafluoropropane (HFC-254fb), chlorohexafluorobutane (HFC-346 isomers), octafluoropentane (HFC-458 isomers), octafluorohexene, 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123), (Z)-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(Z)), C5H2F10 isomer, C6H2F8 isomer, C6H4F8 isomers, decafluorobutane (C4F10), C6H3F7 isomer, C6H3F9 isomer, dichlorodifluoropropene (HCFO-1232 isomers), trichlorotrifluoropropane (HCFC-233 isomers), C6H3Cl2F7 isomers, trichlorodifluoropropane (HCFC-242 isomers), C8H3F7 isomers, or long-chain halogenated hydrocarbons having a boiling point above about 15° C.

## Claims

### Claim 1

A composition comprising:
2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb), and
at least one impurity comprising at least one of: 1-chloro-1,1,2,2-tetrafluoropropane (HCFC-244cc), 1,1,1,3,3-pentafluoropropane (HFC-245fa) in an amount from 0.0005 wt. % to 1.0 wt. %, 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da), 3-chloro-1,1,1,2-tetrafluoropropane (HCFC-244eb), 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb), and 2,2-dichloro-1,1,1-trifluoropropane (HCFC-243db) in an amount from 0.0001 wt. % to 0.05 wt. %.

### Claim 2 (depends on 1)

The composition of claim 1, wherein the at least one impurity is present in an amount from about 0.0001 wt. % to about 2.0 wt. %.

### Claim 3 (depends on 2)

The composition of claim 2, wherein the at least one impurity is present in an amount from about 0.0005 wt. % to about 0.5 wt. %.

### Claim 4 (depends on 3)

The composition of claim 3, wherein the at least one impurity is present in an amount from about 0.001 wt. % to about 0.05 wt. %.

### Claim 5 (depends on 1)

The composition of claim 1, wherein the composition comprises at least two different impurities.

### Claim 6 (depends on 1)

The composition of claim 1, wherein the HCFC-244bb is present in an amount between 95 wt. % to 99.999 wt. %.

### Claim 7 (depends on 1)

The composition of claim 1, wherein the HCFC-244bb is present in an amount between 98.0 wt. % to 99.0 wt. %.

### Claim 8 (depends on 1)

The composition of claim 1, wherein the at least one impurity includes 1,1,1,3,3-pentafluoropropane (HFC-245fa) in an amount from 0.0005 wt. % to 0.5 wt. %.

### Claim 9 (depends on 1)

The composition of claim 1, wherein the at least one impurity includes 1-chloro-1,1,2,2-tetrafluoropropane (HCFC-244cc) in an amount from 0.0005 wt. % to 0.5 wt. %.

### Claim 10 (depends on 9)

The composition of claim 9, wherein the 1-chloro-1,1,2,2-tetrafluoropropane (HCFC-244cc) is in an amount from 0.001 wt. % to 0.2 wt. %.

### Claim 11 (depends on 1)

The composition of claim 1, wherein the at least one impurity includes 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da) in an amount from 0.0001 wt. % to 0.02 wt. %.

### Claim 12 (depends on 11)

The composition of claim 11, wherein the 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da) is in an amount from 0.0001 wt. % to 0.01 wt. %.

### Claim 13 (depends on 1)

The composition of claim 1, wherein the at least one impurity includes 3-chloro-1,1,1,2-tetrafluoropropane (HCFC-244eb) in an amount from 0.0001 wt. % to 0.05 wt. %.

### Claim 14 (depends on 13)

The composition of claim 13, wherein the 3-chloro-1,1,1,2-tetrafluoropropane (HCFC-244eb) is in an amount from 0.0001 wt. % to 0.03 wt. %.

### Claim 15 (depends on 1)

The composition of claim 1, wherein the at least one impurity includes 2,2-dichloro-1,1,1-trifluoropropane (HCFC-243db) in an amount from 0.0005 wt. % to 0.02 wt.

### Claim 16 (depends on 15)

The composition of claim 15, wherein the 2,2-dichloro-1,1,1-trifluoropropane (HCFC-243db) is in an amount from 0.001 wt. % to 0.01 wt. %.

### Claim 17 (depends on 1)

The composition of claim 1, wherein the at least one impurity includes 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb) in an amount from 0.0001 wt. % to 0.1 wt. %.

### Claim 18 (depends on 17)

The composition of claim 17, wherein the 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb) is in an amount from 0.0001 wt. % to 0.05 wt. %.

### Claim 19 (depends on 1)

The composition of claim 1, wherein the at least one impurity comprises at least one of: 1,1,1,3,3-pentafluoropropane (HFC-245fa) in an amount from 0.0005 wt. % to 1.0 wt. %, 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da), and 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb).

### Claim 20 (depends on 1)

The composition of claim 1, wherein the composition comprises the impurities: 1,1,1,3,3-pentafluoropropane (HFC-245fa), 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da), and 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb).