(19)
(11) EP 0 641 191 A1

(12)

(43) Date of publication:
08.03.1995 Bulletin 1995/10

(21) Application number: 93911349.0

(22) Date of filing: 17.05.1993
(51) International Patent Classification (IPC): 
A61K 8/ 21( . )
A61K 8/ 40( . )
A61K 8/ 97( . )
A61K 8/ 25( . )
A61K 8/ 43( . )
A61Q 11/ 00( . )
(86) International application number:
PCT/US1993/004716
(87) International publication number:
WO 1993/023007 (25.11.1993 Gazette 1993/28)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE

(30) Priority: 19.05.1992 US 19920885412

(71) Applicant: W.R. GRACE & CO.
New York New York 10036 (US)

(72) Inventor:
  • PRYOR, James, Neil
    West Friendship, MD 21794 (US)

(74) Representative: UEXKÜLL & STOLBERG 
Patentanwälte Beselerstrasse 4
D-22607 Hamburg
D-22607 Hamburg (DE)

   


(54) ORAL CARE COMPOSITIONS CONTAINING SILICA BASED MATERIALS WITH IMPROVED COMPATIBILITY