(19)
(11) EP 0 882 109 A1

(12)

(43) Date of publication:
09.12.1998 Bulletin 1998/50

(21) Application number: 97906459.0

(22) Date of filing: 06.02.1997
(51) International Patent Classification (IPC): 
C11D 7/ 50( . )
C09K 5/ 04( . )
C09K 3/ 30( . )
F04D 29/ 58( . )
(86) International application number:
PCT/US1997/001583
(87) International publication number:
WO 1997/031080 (28.08.1997 Gazette 1997/37)
(84) Designated Contracting States:
DE ES FR GB IT NL

(30) Priority: 21.02.1996 US 19960604521

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventor:
  • MINOR, Barbara, Haviland
    Elkton, MD 21921 (US)

(74) Representative: Matthews, Derek Peter, et al 
Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) REFRIGERANT COMPOSITION COMPRISING 1,1,2,2-TETRAFLUOROETHANE