Binary azeotropes of difluoromethane and hydrocarbons
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0014449
(1998-01-28)
|
발명자
/ 주소 |
- Minor Barbara Haviland
- Bivens Donald Bernard
- Lunger Brooks Shawn
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
6 |
초록
▼
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroe
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroethane and propane, isobutane, butane or cyclopropane; fluoroethane and propane or cyclopropane; 1,1,1,2,2,3,3-heptafluoropropane and butane, cyclopropane, DME, isobutane or propane; or 1,1,1,2,3,3,3-heptafluoropropane and butane, cyclopropane, isobutane or propane.
대표청구항
▼
[ It is claimed that:] [1.] An azeotropic or azeotrope-like composition consisting essentially of: 93.8-99 weight percent difluoromethane and 1-6.2 weight percent isobutane; 50-99 weight percent difluoromethane and 1-50 weight percent propylene; or 60-99 weight percent difluoromethane and 1-40 weigh
[ It is claimed that:] [1.] An azeotropic or azeotrope-like composition consisting essentially of: 93.8-99 weight percent difluoromethane and 1-6.2 weight percent isobutane; 50-99 weight percent difluoromethane and 1-50 weight percent propylene; or 60-99 weight percent difluoromethane and 1-40 weight percent cyclopropane; wherein the vapor pressure of the composition is higher than the vapor pressure of the individual components at about 25.degree. C., when the temperature has been adjusted to about 25.degree. C.
이 특허에 인용된 특허 (6)
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Bargigia Gianangelo (Milan ITX) Caporiccio Gerardo (Milan ITX) Carniselli Giuliano (Milan ITX), Aerosol propellant compositions.
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Omure Yukio (Osaka JPX) Ide Satoshi (Osaka JPX), Blowing composition, method for producing foam using the composition and foam.
-
Lunger Brooks S. (Newark DE) Shealy Glenn S. (Hockessin DE), Composition with pentafluoroethane, difuoromethane, and a C4-C9 hydrocarbon.
-
Murphy Bryan P. (Monroe CT) Brown Keith C. (New Canaan CT) Schultz Thomas M. (Highland Mills NY) Meyer Alice A. (Danbury CT), Dye compositions containing 5,6-dihydroxy indoles and a foam generator.
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Dawson Raymond B. (Baton Rouge LA) Fisher Hugh A. (Baton Rouge LA) Lilje Kenneth C. (Baton Rouge LA) Sabahi Mahmood (Baton Rouge LA), Ester lubricants.
-
Gray Roy A. (Bartlesville OK), Hydrocarbon-halocarbon refrigerant blends.
이 특허를 인용한 특허 (7)
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Cho, Seung-Yon, Composition of refrigerant mixtures for low back pressure condition.
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Minor, Barbara Haviland; Bivens, Donald Bernard; Lunger, Brooks Shawn, Hydrofluorocarbon compositions.
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Yost, Robert, R22 replacement refrigerant.
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Cox, Nicholas; Mazur, Victor; Colbourne, Daniel; Stevenson, Andrew, Refrigerant.
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Cox, Nicholas; Mazur, Victor; Colbourne, Daniel; Stevenson, Andrew, Refrigerant.
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Mosier, Benjamin; Duffy, Bryan J., Transesterification composition of fatty acid esters, and uses thereof.
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Mosier,Benjamin; Duffy,Bryan J., Transesterification composition of fatty acid esters, and uses thereof.
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