(19)
(11) EP 0 436 669 A1

(12)

(43) Date of publication:
17.07.1991 Bulletin 1991/29

(21) Application number: 89912727.0

(22) Date of filing: 28.09.1989
(51) International Patent Classification (IPC): 
C07C 43/ 12( . )
C07C 41/ 60( . )
C07C 43/ 315( . )
C08G 4/ 00( . )
C08G 65/ 30( . )
C08G 65/ 323( . )
C08G 65/ 46( . )
C09K 5/ 08( . )
 C07C 41/ 48( . )
C07C 43/ 313( . )
C08G 2/ 30( . )
C08G 65/ 00( . )
C08G 65/ 32( . )
C08G 65/ 34( . )
C09K 5/ 00( . )
(86) International application number:
PCT/US1989/004264
(87) International publication number:
WO 1990/003357 (05.04.1990 Gazette 1990/08)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 28.09.1988 US 19880250384
02.12.1988 US 19880278958

(71) Applicants:
  • MINNESOTA MINING AND MANUFACTURING COMPANY
    St. Paul, Minnesota 55133-3427 (US)
  • EXFLUOR RESEARCH CORPORATION
    Austin, TX 78758 (US)

(72) Inventors:
  • MOORE, George, G., I.
    Afton, MN 55001 (US)
  • COSTELLO, Michael, G.
    Afton, MN 55001 (US)
  • KAWA, Hajimu
    Austin, TX 78750 (US)
  • LAGOW, Richard, J.
    Austin, TX 78731 (US)
  • BIERSCHENK, Thomas, R.
    Round Rock, TX 78681 (US)
  • JUHLKE, Timothy
    Round Rock, TX 78664 (US)

(74) Representative: Holdcroft, James Gerald, Dr., et al 
Graham Watt & Co., Riverhead
Sevenoaks, Kent TN13 2BN
Sevenoaks, Kent TN13 2BN (GB)

   


(54) PERFLUOROACETAL AND PERFLUOROKETAL COMPOUNDS AND USE THEREOF IN THERMAL SHOCK TESTING