Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08J-009/06
C09K-003/30
C09K-005/04
C11D-007/30
출원번호
US-0676637
(1991-03-28)
발명자
/ 주소
Bartlett Philip L. (Wilmington DE) Bivens Donald B. (Kennett Square PA) Lunger Brooks S. (Coatesville PA) Yokozeki Akimichi (Greenville DE)
출원인 / 주소
E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보
피인용 횟수 :
73인용 특허 :
0
초록▼
The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of 1,1-difluoroethane, 1-chloro-1,1,-difluoroethane, dimethyl ether, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and their use as refrigerants, aerosol propellants and blowing agen
The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of 1,1-difluoroethane, 1-chloro-1,1,-difluoroethane, dimethyl ether, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and their use as refrigerants, aerosol propellants and blowing agents for polymer foams are disclosed. The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of perfluorocyclobutane and 1,1,1,2,3,3,3-heptafluoropropane are also useful as fire extinguishants.
대표청구항▼
An azeotrope-like composition consisting essentially of about 60-99 weight percent 1,1,2,2,-tetrafluoroethane and about 1 to 40 weight percent dimethyl ether said composition having a boiling temperature of about 0 degrees C. when the pressure is adjusted to about 28 psig and consists essentially of
An azeotrope-like composition consisting essentially of about 60-99 weight percent 1,1,2,2,-tetrafluoroethane and about 1 to 40 weight percent dimethyl ether said composition having a boiling temperature of about 0 degrees C. when the pressure is adjusted to about 28 psig and consists essentially of about 74 weight percent 1,1,2,2-tetraflu
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이 특허를 인용한 특허 (73)
Minor Barbara Haviland, Azeotrope(like) compositions including a hexafluoropropane and butane.
Seeton, Christopher J.; Pham, Hang T.; Singh, Rajiv R.; Hulse, Ryan; Spatz, Mark W.; Wilson, David P.; Yana Motta, Samuel F., Azeotrope-like compositions of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane.
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Singh, Rajiv R.; Pham, Hang T.; Knopeck, Gary M.; Herena, Louis E.; Diringer, Jeremy N., Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons.
Singh, Rajiv R.; Pham, Hang T.; Knopeck, Gary M.; Herena, Louis E.; Diringer, Jeremy N., Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons.
Minor Barbara Haviland ; Patron Donna Marie ; Klug Diana Lynn ; Lunger Brooks Shawn, Compositions which include 1,1,2,2- tetrafluoroethane and fluoroethane.
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