(19)
(11) EP 0 454 761 A1

(12)

(43) Date of publication:
06.11.1991 Bulletin 1991/45

(21) Application number: 90902451.0

(22) Date of filing: 16.01.1990
(51) International Patent Classification (IPC): 
B01J 20/ 28( . )
C03C 1/ 00( . )
C08G 77/ 02( . )
B01J 20/ 32( . )
C03C 11/ 00( . )
C08G 77/ 06( . )
(86) International application number:
PCT/US1990/000158
(87) International publication number:
WO 1990/008169 (26.07.1990 Gazette 1990/17)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 19.01.1989 US 19890300094

(71) Applicant: EASTMAN KODAK COMPANY
Rochester, New York 14650-2201 (US)

(72) Inventors:
  • COLTRAIN, Bradley, Keith
    Fairport, NY 14450 (US)
  • PASCOE, William, Edward
    Rochester, NY 14624 (US)

(74) Representative: Brandes, Jürgen, Dr. rer. nat., et al 
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
D-81541 München
D-81541 München (DE)

   


(54) ORGANIC MODIFIED SILICIC ACID HETEROPOLYCONDENSATES