US6858571B2
Expired / Lapsed
US
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Pentafluoropropene-based compositions
Assignee: Honeywell International Inc
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Filing: 2003-10-27
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Granted: 2005-02-22
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Expires: 2023-10-27
Abstract
Abstract Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene (“HFO-1243zf”), 1,1-difluoroethane (“HFC-152a”), trans-1,3,3,3-tetrafluoropropene (“HFO-1234ze”), and combinations of two or more thereof. Also provided are uses thereof including as refrigerants, blowing agents, sprayable compositions, flame suppressant, and the like.
Inventors
- 👤 Hang T. Pham
- 👤 Rajiv R. Singh
- 👤 David P. Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:59
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02803; C09; C09K; C09K5/00; A; A01; A01N; A01N29/00; A01N29/02; A61; A61P; A61P1/00; A62; A62D; A62D1/00; A62D1/0092; C07; C07C; C07C19/00; C07C19/08; C07C21/00; C07C21/02; C07C21/18; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08J9/14; C08J9/143; C08J9/144; C08J9/146; C09K21/00; C09K21/06; C09K21/08; C09K5/02; C09K5/04; C09K5/041; C09K5/044; C09K5/045; C10; C10M; C10M131/00; C10M131/02; C10M131/04; C10M141/00; C10M141/04; C10M171/00; C10M171/008; C11; C11D; C11D3/00; C11D3/16; C11D3/24; C11D3/245; C11D7/00; C11D7/50; C11D7/5004; C11D7/5018; C11D7/5036; C11D7/504; C11D7/505; F; F25; F25B; F25B1/00; F25B39/00; F25B39/02; F25B39/04; F25B41/00; C08J2203/00; C08J2203/16; C08J2203/162; C08J2205/00; C08J2205/04; C08J2205/052; C08J2207/00; C08J2207/04; C08J2375/00; C08J2375/04; C09K2205/00; C09K2205/10; C09K2205/12; C09K2205/126; C09K2205/22; C10M2203/00; C10M2203/06; C10M2203/065; C10M2203/10; C10M2203/1006; C10M2205/00; C10M2205/02; C10M2205/0206; C10M2207/00; C10M2207/28; C10M2207/2805; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/1033; C10N; C10N2020/00; C10N2020/09; C10N2020/097; C10N2020/101; C10N2040/00; C10N2040/30; C11D7/22; C11D7/28
Claims Analysis
Total Claims: 73
Claim 1
Independent Claim
46 words
An azeotrope-like composition comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of a fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.
Claim 2
Dependent Claim
46 words
An azeotrope-like composition comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of a fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.
Claim 3
Dependent Claim
49 words
The azeotrope-like composition of claim 1 comprising from greater than zero to about 75 wt. % of HFO-1225 and from about 25 wt. % to less than 100 wt. % of the fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.
Claim 4
Dependent Claim
49 words
The azeotrope-like composition of claim 1 comprising from about 5 wt. % to about 90 wt. % of HFO-1225 and from about 10 wt. % to about 90 wt. % of the fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.
Claim 5
Dependent Claim
27 words
The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of from about −18° C. to about −28° C. at about 14 psia.
Claim 6
Dependent Claim
26 words
The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of about −22° C. to about −28° C. at about 14 psia.
Claim 7
Dependent Claim
26 words
The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of about −21° C. to about −26° C. at about 14 psia.
Claim 8
Dependent Claim
23 words
The azeotrope-like composition of claim 4 wherein said azeotrope-like composition has a boiling point of about −20° C.±2° C. at about 14 psia.
Claim 9
Dependent Claim
32 words
The azeotrope-like composition of claim 5 comprising from greater than zero to about 50 wt. % of HFO-1225 and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.
Claim 10
Dependent Claim
32 words
The azeotrope-like composition of claim 8 comprising from greater than zero to about 25 wt. % of HFO-1225 and from about 75 wt. % to less than 100 wt. % of HFO-1243zf.
Claim 11
Dependent Claim
32 words
The azeotrope-like composition of claim 9 comprising from about 1 wt. % to about 20 wt. % of HFO-1225 and from about 80 wt. % to about 99 wt. % of HFO-1243zf.
Claim 12
Dependent Claim
26 words
The azeotrope-like composition of claim 8 wherein said azeotrope-like composition has a boiling point of about −24° C. to about −28° C. at about 14.4 psia.
Claim 13
Dependent Claim
26 words
The azeotrope-like composition of claim 8 wherein said azeotrope-like composition has a boiling point of about −23° C. to about −27° C. at about 14 psia.
Claim 14
Dependent Claim
32 words
The azeotrope-like composition of claim 11 comprising from greater than zero to about 50 wt. % of HFO-1225ye and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.
Claim 15
Dependent Claim
32 words
The azeotrope-like composition of claim 13 comprising from greater than zero to about 25 wt. % of HFO-1225ye and from about 75 wt. % to less than 100 wt. % of HFO-1243zf.
Claim 16
Dependent Claim
30 words
The azeotrope-like composition of claim 14 comprising from about 1 to about 20 wt. % of HFO-1225ye and from about 80 wt. % to about 99 wt. % of HFO-1243zf.
Claim 17
Dependent Claim
30 words
The azeotrope-like composition of claim 15 comprising from about 1 to about 15 wt. % of HFO-1225ye and from about 85 wt. % to about 99 wt. % of HFO-1243zf.
Claim 18
Dependent Claim
11 words
The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises Z-HFO-1225ye.
Claim 19
Dependent Claim
11 words
The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises Z-HFO-1225ye.
Claim 20
Dependent Claim
26 words
The azeotrope-like composition of claim 18 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.
Claim 21
Dependent Claim
11 words
The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises E-HFO-1225ye.
Claim 22
Dependent Claim
11 words
The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises E-HFO-1225ye.
Claim 23
Dependent Claim
26 words
The azeotrope-like composition of claim 21 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.
Claim 24
Dependent Claim
11 words
The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.
Claim 25
Dependent Claim
11 words
The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.
Claim 26
Dependent Claim
26 words
The azeotrope-like composition of claim 24 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.
Claim 27
Dependent Claim
32 words
The azeotrope-like composition of claim 12 comprising from greater than zero to about 50 wt. % of HFO-1225zc and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.
Claim 28
Dependent Claim
32 words
The azeotrope-like composition of claim 26 comprising from greater than zero to about 40 wt. % of HFO-1225zc and from about 60 wt. % to less than 100 wt. % of HFO-1243zf.
Claim 29
Dependent Claim
30 words
The azeotrope-like composition of claim 27 comprising from about 1 to about 20 wt. % of HFO-1225zc and from about 80 wt. % to about 99 wt. % of HFO-1243zf.
Claim 30
Dependent Claim
26 words
The azeotrope-like composition of claim 28 wherein said azeotrope-like composition has a boiling point of about −24° C. to about −26° C. at about 14 psia.
Claim 31
Dependent Claim
32 words
The azeotrope-like composition of claim 6 comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of HFC-152a.
Claim 32
Dependent Claim
32 words
The azeotrope-like composition of claim 30 comprising from greater than zero to about 75 wt. % of HFO-1225 and from about 25 wt. % to less than 100 wt. % of HFC-152a.
Claim 33
Dependent Claim
32 words
The azeotrope-like composition of claim 31 comprising from about 1 wt. % to about 20 wt. % of HFO-1225 and from about 80 wt. % to about 99 wt. % of HFC-152a.
Claim 34
Dependent Claim
23 words
The azeotrope-like composition of claim 30 wherein said azeotrope-like composition has a boiling point of about −23° C.±2° C. at about 14 psia.
Claim 35
Dependent Claim
32 words
The azeotrope-like composition of claim 33 comprising from greater than zero to about 75 wt. % of HFO-1225ye and from about 25 wt. % to less than 100 wt. % of HFC-152a.
Claim 36
Dependent Claim
32 words
The azeotrope-like composition of claim 34 comprising from greater than zero to about 60 wt. % of HFO-1225ye and from about 40 wt. % to less than 100 wt. % of HFC-152a.
Claim 37
Dependent Claim
32 words
The azeotrope-like composition of claim 35 comprising from greater than zero to about 40 wt. % of HFO-1225ye and from about 60 wt. % to less than 100 wt. % of HFC-152a.
Claim 38
Dependent Claim
30 words
The azeotrope-like composition of claim 36 comprising from about 1 to about 25 wt. % of HFO-1225ye and from about 75 wt. % to about 99 wt. % of HFC-152a.
Claim 39
Dependent Claim
11 words
The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises Z-HFO-1225ye.
Claim 40
Dependent Claim
11 words
The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises Z-HFO-1225ye.
Claim 41
Dependent Claim
23 words
The azeotrope-like composition of claim 39 wherein said azeotrope-like composition has a boiling point of about −23° C.±2° C. at about 14 psia.
Claim 42
Dependent Claim
11 words
The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises E-HFO-1225ye.
Claim 43
Dependent Claim
11 words
The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises E-HFO-1225ye.
Claim 44
Dependent Claim
23 words
The azeotrope-like composition of claim 42 wherein said azeotrope-like composition has a boiling point of about −23° C.±2° C. at about 14 psia.
Claim 45
Dependent Claim
11 words
The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.
Claim 46
Dependent Claim
11 words
The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.
Claim 47
Dependent Claim
26 words
The azeotrope-like composition of claim 45 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.
Claim 48
Dependent Claim
23 words
The azeotrope-like composition of claim 30 wherein said azeotrope-like composition has a boiling point of about −24° C.±2° C. at about 14 psia.
Claim 49
Dependent Claim
32 words
The azeotrope-like composition of claim 47 comprising from about 10 wt. % to about 99 wt. % of HFO-1225zc and from about 1 wt. % to about 90 wt. % of HFC-152a.
Claim 50
Dependent Claim
32 words
The azeotrope-like composition of claim 48 comprising from about 10 wt. % to about 60 wt. % of HFO-1225zc and from about 40 wt. % to about 90 wt. % of HFC-152a.
Claim 51
Dependent Claim
32 words
The azeotrope-like composition of claim 49 comprising from about 10 wt. % to about 50 wt. % of HFO-1225zc and from about 50 wt. % to about 90 wt. % of HFC-152a.
Claim 52
Dependent Claim
32 words
The azeotrope-like composition of claim 7 comprising from about 1 wt. % to about 99 wt. % of HFO-1225 and from about 1 wt. % to about 99 wt. % of HFO-1234ze.
Claim 53
Dependent Claim
32 words
The azeotrope-like composition of claim 51 comprising from about 25 wt. % to about 99 wt. % of HFO-1225 and from about 1 wt. % to about 75 wt. % of HFO-1234ze.
Claim 54
Dependent Claim
32 words
The azeotrope-like composition of claim 52 comprising from about 50 wt. % to about 90 wt. % of HFO-1225 and from about 10 wt. % to about 50 wt. % of HFO-1234ze.
Claim 55
Dependent Claim
11 words
The azeotrope-like composition of claim 51 wherein said HFO-1225 is HFO-1225ye.
Claim 56
Dependent Claim
11 words
The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises Z-HFO-1225ye.
Claim 57
Dependent Claim
11 words
The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises E-HFO-1225ye.
Claim 58
Dependent Claim
11 words
The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.
Claim 59
Dependent Claim
11 words
The azeotrope-like composition of claim 1 wherein said HFO-1225 is HFO-1225yc.
Claim 60
Dependent Claim
11 words
A refrigerant composition comprising an azeotrope-like composition of claim 1 .
Claim 61
Dependent Claim
10 words
A refrigeration system comprising a refrigerant of claim 59 .
Claim 62
Dependent Claim
24 words
A method for cooling an article which comprises evaporating a refrigerant composition of claim 57 in the vicinity of the article to be cooled.
Claim 63
Dependent Claim
24 words
A method for heating an article which comprises condensing a refrigerant composition of claim 59 in the vicinity of the article to be heated.
Claim 64
Dependent Claim
20 words
A sprayable composition comprising a material to be sprayed and a propellant comprising an azeotrope-like composition of claim 1 .
Claim 65
Dependent Claim
11 words
A blowing agent comprising an azeotrope-like composition of claim 1 .
Claim 66
Dependent Claim
25 words
A closed cell foam prepared by foaming a foamable composition in the presence of a blowing agent comprising the azeotrope-like composition of claim 1 .
Claim 67
Dependent Claim
19 words
The closed cell foam of claim 65 wherein said foamble composition comprises polyurethane, polyisocyanurate, polystyrene, polyethylene, and mixtures thereof.
Claim 68
Dependent Claim
20 words
A method of reducing the flammability of a fluid comprising adding an azeotrope-like composition of claim 1 to said fluid.
Claim 69
Dependent Claim
21 words
A method of suppressing a flame comprising contacting said flame with a fluid comprising an azeotrope-like composition of claim 1 .
Claim 70
Dependent Claim
26 words
A method of sterilizing an article, said method comprising contacting said article to be sterilized with a composition comprising an azeotrope-like composition of claim 1 .
Claim 71
Dependent Claim
12 words
The method of claim 69 wherein said composition further comprises ethylene oxide.
Claim 72
Dependent Claim
23 words
A method of forming a foam comprising adding to a foamable composition a blowing agent comprising an azeotrope-like composition of claim 1 .
Claim 73
Dependent Claim
21 words
A premix of a polyol and a blowing agent wherein the blowing agent comprises an azeotrope-like composition of claim 1 .
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2008-02-22 | 2008-08-23 | 2009-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-02-22 | 2012-08-23 | 2013-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-02-22 | 2016-08-23 | 2017-02-22 | $7700.00 | Window Closed / Lapsed |