BR0017337A - Liquid refrigerant composition, cooling system incorporating a centrifugal compressor, and, one body cooling method - Google Patents

Liquid refrigerant composition, cooling system incorporating a centrifugal compressor, and, one body cooling method

Info

Publication number
BR0017337A
BR0017337A BR0017337-1A BR0017337A BR0017337A BR 0017337 A BR0017337 A BR 0017337A BR 0017337 A BR0017337 A BR 0017337A BR 0017337 A BR0017337 A BR 0017337A
Authority
BR
Brazil
Prior art keywords
liquid refrigerant
system incorporating
refrigerant composition
centrifugal compressor
cooling system
Prior art date
Application number
BR0017337-1A
Other languages
Portuguese (pt)
Other versions
BR0017337B1 (en
Inventor
Neil Andre Roberts
Original Assignee
Rhodia Organique Fine Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhodia Organique Fine Ltd filed Critical Rhodia Organique Fine Ltd
Publication of BR0017337A publication Critical patent/BR0017337A/en
Publication of BR0017337B1 publication Critical patent/BR0017337B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Lubricants (AREA)
  • Centrifugal Separators (AREA)

Abstract

"COMPOSIçãO REFRIGERANTE LìQUIDA, SISTEMA DE REFRIGERAçãO INCORPORANDO UM COMPRESSOR CENTRIFUGO, E, MéTODO DE REFRIGERAçãO DE UM CORPO". é descrita uma composição refrigerante líquida que compreende pelo menos 35% em peso de tetrafluoroetano e pelo menos 20% em peso de heptafluoropropano de tal modo que a soma das concentrações de heptafluoroetano e de heptafluoropropano é de pelo menos 90% em peso da composição."LIQUID COOLANT COMPOSITION, COOLING SYSTEM INCORPORATING A CENTRIFUGE COMPRESSOR, AND BODY COOLING METHOD". A liquid refrigerant composition comprising at least 35 wt% tetrafluoroethane and at least 20 wt% heptafluoropropane is described such that the sum of heptafluoroethane and heptafluoropropane concentrations is at least 90 wt% of the composition.

BRPI0017337-1A 2000-09-19 2000-09-19 liquid refrigerant composition, and, cooling system incorporating a centrifugal compressor. BR0017337B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2000/003596 WO2002024829A1 (en) 2000-09-19 2000-09-19 Centrifugal compression refrigerant compositions

Publications (2)

Publication Number Publication Date
BR0017337A true BR0017337A (en) 2003-07-29
BR0017337B1 BR0017337B1 (en) 2010-11-03

Family

ID=9885742

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0017337-1A BR0017337B1 (en) 2000-09-19 2000-09-19 liquid refrigerant composition, and, cooling system incorporating a centrifugal compressor.

Country Status (7)

Country Link
EP (1) EP1325097A1 (en)
JP (1) JP2004512393A (en)
AU (2) AU2000273021B2 (en)
BR (1) BR0017337B1 (en)
CA (1) CA2424842A1 (en)
CZ (1) CZ2003734A3 (en)
WO (1) WO2002024829A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ298309B6 (en) 1997-07-15 2007-08-22 E.I.Du Pont De Nemours And Company Refrigerant compositions and use thereof
US7258813B2 (en) 1999-07-12 2007-08-21 E.I. Du Pont De Nemours And Company Refrigerant composition
GB0223724D0 (en) 2002-10-11 2002-11-20 Rhodia Organique Fine Ltd Refrigerant compositions
BR0316696B1 (en) 2002-11-29 2014-04-01 Du Pont Soda composition, and, use of a composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182040A (en) * 1991-03-28 1993-01-26 E. I. Du Pont De Nemours And Company Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
AU4649593A (en) * 1992-06-25 1994-01-24 Great Lakes Chemical Corporation Refrigerant blends containing 1,1,1,2,3,3,3-heptafluoropropane
AU1594099A (en) * 1997-11-18 1999-06-07 Allied-Signal Inc. Hydrofluorocarbon refrigerants

Also Published As

Publication number Publication date
AU2000273021B2 (en) 2006-09-14
EP1325097A1 (en) 2003-07-09
WO2002024829A1 (en) 2002-03-28
CZ2003734A3 (en) 2003-09-17
CA2424842A1 (en) 2002-03-28
BR0017337B1 (en) 2010-11-03
AU7302100A (en) 2002-04-02
JP2004512393A (en) 2004-04-22

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: E.I. DU PONT DE NEMOURS AND COMPANY (US)

Free format text: TRANSFERIDO DE: RHODIA ORGANIQUE FINE LIMITED

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/11/2010, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2272 DE 22-07-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.