Claims
- 1. A sterilant mixture which comprises from 15 to 30 mole percent ethylene oxide and from 70 to 85 mole percent 1,1,1,3,3,3-hexafluoropropane.
- 2. A sterilant mixture according to claim 1 wherein the mole percent of ethylene oxide is from 20 to 26 percent.
- 3. A sterilant mixture according to claim 1 wherein the mole percent of 1,1,1,3,3,3-hexafluoropropane is from 74 to 80 percent.
- 4. A sterilant mixture according to claim 1 which also comprises chlorodifluoromethane.
- 5. A sterilant mixture according to claim 1 which also comprises nitrogen.
- 6. A method for sterilizing an article which comprises contacting the article with a sterilant mixture according to any of claims 1 to 5.
- 7. A method according to claim 6, wherein the sterilant mixture is in gaseous form when it contacts the article.
- 8. A composition comprising effective amounts of ethylene oxide and 1,1,1,3,3,3-hexafluoropropane to form an azeotropic or azeotrope-like composition at 25.degree. C. when the pressure is adjusted to substantially atmospheric pressure.
- 9. The composition of claim 8, comprising 6 to 65 mole percent ethylene oxide and 35 to 94 mole percent 1,1,1,3,3,3-hexafluoropropane.
Parent Case Info
This is a continuation, of application Ser. No. 07/920,034 filed Jul. 21, 1992, now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (5)
Number |
Date |
Country |
2009169 |
Aug 1990 |
CAX |
385798 |
Sep 1990 |
EPX |
2-272086 |
Nov 1990 |
JPX |
WO90-03807 |
Apr 1990 |
WOX |
WO91-01764 |
Jun 1990 |
WOX |
Continuations (1)
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Number |
Date |
Country |
Parent |
920034 |
Jul 1992 |
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