(19)
(11) EP 0 830 436 A1

(12)

(43) Date of publication:
25.03.1998 Bulletin 1998/13

(21) Application number: 96917191.0

(22) Date of filing: 04.06.1996
(51) International Patent Classification (IPC): 
A62D 1/ 02( . )
C07C 23/ 02( . )
C07C 23/ 10( . )
C07C 43/ 12( . )
C08J 9/ 14( . )
C09K 5/ 04( . )
C11D 7/ 28( . )
C11D 7/ 50( . )
C10N 40/ 08( . )
C07C 19/ 08( . )
C07C 23/ 06( . )
C07C 31/ 38( . )
C07D 265/ 30( . )
C09K 3/ 30( . )
C10M 105/ 54( . )
C11D 7/ 30( . )
C23G 5/ 028( . )
C10N 40/ 30( . )
(86) International application number:
PCT/US1996/008921
(87) International publication number:
WO 1996/040834 (19.12.1996 Gazette 1997/03)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 07.06.1995 US 19950477755

(71) Applicant: E.I. DU PONT DE NEMOURS & CO. (INC.)
Wilmington Delaware 19898 (US)

(72) Inventors:
  • BIVENS, Donald, Bernard
    Kennett Square, PA 19348-1635 (US)
  • MINOR, Barbara, Haviland
    Elkton, MD 21921-7619 (US)
  • SIEVERT, Allen, Capron
    Elkton, MD 21921-2059 (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) REFRIGERANTS BASED ON HYDROFLUOROETHER OF FLUOROETHER