(19)
(11) EP 0 934 251 A1

(12)

(43) Date of publication:
11.08.1999 Bulletin 1999/32

(21) Application number: 97909967.0

(22) Date of filing: 09.10.1997
(51) International Patent Classification (IPC): 
C07C 233/ 90( . )
C07C 233/ 91( . )
(86) International application number:
PCT/US1997/017910
(87) International publication number:
WO 1998/016496 (23.04.1998 Gazette 1998/16)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

(30) Priority: 16.10.1996 US 19960028599P

(71) Applicant: THE PROCTER & GAMBLE COMPANY
Cincinnati, Ohio 45202 (US)

(72) Inventors:
  • GIBSON, Michael, Steven
    Loveland, OH 45140 (US)
  • BACK, Deborah, Jean
    Cleves, OH 45002 (US)
  • FORMYDUVAL, Terry, Franklin
    Cincinnati, OH 45249 (US)
  • GUSTWILLER, Marc, Eric
    Fairfield, OH 45014 (US)
  • KELLY, Ephraim, Lamar
    Batavia, OH 45103 (US)
  • MILLER, Larry, Eugene
    Cincinnati, OH 45241 (US)
  • MIRACLE, Gregory, Scot
    Hamilton, OH 45013 (US)
  • SHUMATE, Robert, Edward
    Cincinnati, OH 45231 (US)
  • SCHEIBEL, Jeffrey, John
    Cincinnati, OH 45242 (US)
  • KOTT, Kevin, Lee
    Cincinnati, OH 45251 (US)

(74) Representative: Peet, Jillian Wendy, et al 
Procter & Gamble Technical Centres Limited, Whitley Road, Longbenton
Newcastle upon Tyne NE12 9TS
Newcastle upon Tyne NE12 9TS (GB)

   


(54) PROCESS FOR PREPARATION OF UNSYMMETRICAL ACYCLIC IMIDE BLEACH ACTIVATORS