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Near-azeotropic blends for use as refrigerants 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E09K-005/04
출원번호 US-0782136 (1997-01-13)
발명자 / 주소
  • Bivens Donald Bernard
  • Shiflett Mark Brandon
  • Yokozeki Akimichi
출원인 / 주소
  • E. I. du Pont de Nemours and Compnay
인용정보 피인용 횟수 : 8  인용 특허 : 30

초록

and pentafluoroethane with fluoroethane and 1,2,2,2-tetrafluoroethane, along with their use as refrigerants.

대표청구항

[ We claim:] [1.] A near-azeotropic composition consisting essentially of 50 to 60 percent by weight pentafluoroethane, 35 to 45 percent by weight 1,1,1-trifluoroethane, and 3 to 10 percent by weight 1-chloro-1,1,2,2-tetrafluoroethane, wherein said composition has a vapor pressure of about 173.4 psi

이 특허에 인용된 특허 (30)

  1. Yoshida Yuji (Itami JPX) Arita Koji (Osaka JPX) Funakura Masami (Hirakata JPX), Air conditioner and heat pump with tetra fluoroethane-containing working fluid.
  2. Yoshida Yuji,JPX ; Funakura Masami,JPX ; Matsuo Mitsuharu,JPX ; Tagashira Minoru,JPX, Apparatus and method for charging three-component mixed refrigerant.
  3. Yagishita Aisaburo (Nagoya JPX) Iriyama Yasunori (Iwakura JPX) Osuga Jouichiro (Nagoya JPX), Automatic filtration dewatering system.
  4. Swan Ellen L. (Ransomville NY) Hollister Richard M. (Buffalo NY) Basu Rajat S. (Williamsville NY), Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropane and a C5 or C6 hydrocarbon 상세보기
  • Swan Ellen L. (Ransomville NY) Hollister Richard M. (Buffalo NY) Basu Rajat S. (Williamsville NY), Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropane and a mono- or dichlorinated C1 or C3<.
  • Shankland Ian R. (Williamsville NY) Atwood Theodore (Williamsville NY) Lund Earl A. E. (West Seneca NY) Pham Hang T. (North Tonawanda NY), Azeotrope-like compositions of pentafluoroethane and 1,1,1-trifluoroethane.
  • Shankland Ian R. (Williamsville NY) Richard Robert G. (Cheektowaga NY) Lund Earl A. E. (West Seneca NY), Azeotrope-like compositions of pentafluoroethane; 1,1,1-trifluoroethane; and chlorodifluoromethane.
  • Bivens Donald B. (Kennett Square PA) Shiflett Mark B. (Newark DE) Yokozeki Akimichi (Wilmington DE), Azeotrope-like refrigerants with chlorodifluoromethane, pentafluoroethane, and C2-C4 hydroca.
  • Deeb Thomas M. (Newark DE) Henry George K. (Newark DE) Bergmann Heather L. (Fairfax VA), Compositions and process of using in refrigeration.
  • Gorski Robert A. (Newark DE) Brown William L. (Pleasantville NY), Compositions for compression refrigeration and methods of using them.
  • Shiflett Mark Brandon (Newark DE), Constant boiling compositions of HFC-32, HFC-125 and HFC-134 A.
  • Shiflett Mark B. (Newark DE), Constant boiling compositions of pentafluoroethane, difluoromethane, and tetrafluoroethane.
  • Ostrozynski Robert L. (Williamsville NY) Lund Earl E. A. (West Seneca NY) Magid Hillel (Williamsville NY), Constant boiling mixtures of 1,1,2,2-tetrafluoroethane and 1,1,1,2-tetrafluorochloroethane.
  • Nimitz Jonathan S. (Albuquerque NM) Tapscott Robert E. (Albuquerque NM) Skaggs Stephanie R. (Albuquerque NM), Fire extinguishing agents for flooding applications.
  • Fernandez Richard E. (Bear DE), Fire extinguishing composition and process.
  • Bivens Donald B. (Kennett Square PA) Connon Helen A. (Wilmington DE), Halocarbon blends for refrigerant use.
  • Gray Roy A. (Bartlesville OK), Hydrocarbon-halocarbon refrigerant blends.
  • Samejima Shunichi (Tokyo JPX) Kitamura Kenroh (Fujisawa JPX) Watanabe Naohiro (Chiba JPX) Asano Teruo (Yokohama JPX) Kamimura Toru (Ichihara JPX) Usami Yoko (Yokohama JPX), Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture.
  • Minor Barbara H. (Elkton MD) Bivens Donald B. (Kennett Square PA) Lunger Brooks S. (Newark DE), Hydrofluorocarbon compositions.
  • McGraw Philip W. (Lake Jackson TX) Ward Eldon L. (Angleton TX), Lubricants for refrigeration compressors.
  • Bivens Donald B. (Kennett Square PA) Shiflett Mark B. (Newark DE) Yokozeki Akimichi (Wilmington DE), Near-azeotropic blends for use as refrigerants.
  • Bivens Donald B. (Kennett Square PA) Shiflett Mark B. (Newark DE) Yokozeki Akimichi (Wilmington DE), Near-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethane.
  • Bivens Donald B. (Kennett Square PA) Shiflett Mark B. (Newark DE) Yokozeki Akimichi (Wilmington DE), Process for heating and cooling using substantially constant boiling compositions of fluorinated hydrocarbons.
  • Macaudiere Sylvie,FRX, Pseudo-azeotropic mixture of chlorodifluoromethane, 1,1,1-trifluoroethane and pentafluoroethane, and its application as.
  • Tamura Kohji (Kawanishi JPX) Kashiwagi Hiroshi (Settsu JPX) Noguchi Masahiro (Osaka JPX), Refrigerants.
  • Tamura Koji (Kawanishi JPX) Kashiwagi Hiroshi (Settsu JPX) Noguchi Masahiro (Osaka JPX), Refrigerants.
  • Stelz Dale E. (Goddard KS) Carroll Frank I. (Durham NC) Whaley Wilson M. (Cary NC), Refrigeration liquid with blue leak indicator and process of using same.
  • Radermacher Reinhard (Silver Spring MD) Jung Dongsoo (Ellicott City MD), Refrigeration system.
  • Yoshida Yuji (Itami JPX) Funakura Masami (Hirakata JPX) Nakatani Kazuo (Kadoma JPX) Tagashira Minoru (Hirakata JPX), Working fluid containing chlorotetrafluoroethane.
  • Yoshida Yuji (Hyogo JPX) Arita Koji (Osaka JPX) Funakura Masami (Osaka JPX), Working fluid containing tetrafluoroethane.
  • 이 특허를 인용한 특허 (8)

    1. Zyhowski, Gary; Hulse, Ryan J.; Nair, Haridasan K.; Nalewajek, David; Singh, Rajiv R., Chloro- and bromo-fluoro olefin compounds useful as organic rankine cycle working fluids.
    2. Singh, Rajiv R.; Pham, Hang T.; Wilson, David P.; Thomas, Raymond H.; Shankland, Ian, Compositions and methods containing fluorine substituted olefins.
    3. Singh, Rajiv R.; Pham, Hang T.; Shankland, Ian, Compositions comprising tetrafluoropropene and carbon dioxide.
    4. Singh, Rajiv R.; Pham, Hang T.; Shankland, Ian; Thomas, Raynond H.; Wilson, David P., Compositions containing fluorine substituted olefins.
    5. Thomas, Raymond H.; Singh, Rajiv R., Fluorinated alkene refrigerant compositions.
    6. Goble, George H., Non-flammable, non-ozone depleting refrigerant mixtures suitable for use in mineral oil (GHGX9).
    7. Goble, George H., Nonflammable, nonozone depleting, refrigerant mixtures suitable for use in mineral oil.
    8. Lee Byung Gwon,KRX ; Lim Jong Sung,KRX ; Park Kun You,KRX ; Ahn Byoung Sung,KRX ; Lee Sang Deuk,KRX, Refrigerant mixture substitute for chlorodifluoromethane.

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