(19)
(11) EP 1 357 788 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
24.02.2010 Bulletin 2010/08

(45) Mention of the grant of the patent:
09.09.2009 Bulletin 2009/37

(21) Application number: 02705987.2

(22) Date of filing: 25.01.2002
(51) International Patent Classification (IPC): 
A61K 6/00(2006.01)
(86) International application number:
PCT/US2002/002269
(87) International publication number:
WO 2002/058460 (01.08.2002 Gazette 2002/31)

(54)

METHOD OF MANUFACTURING TOOTH WHITENING MATERIAL

VERFAHREN ZUR HERSTELLUNG VON ZAHNBLEICHMITTELN

PROCEDE POUR LA FABRICATION DE MATIERE DE BLANCHISSEMENT DENTAIRE

(84) Designated Contracting States:
DE ES FR GB IT

(30) Priority: 25.01.2001 US 264227 P
23.03.2001 US 81566

(43) Date of publication of application:
05.11.2003 Bulletin 2003/45

(73) Proprietor: DENTSPLY International Inc.
York, PA 17405-0872 (US)

(72) Inventors:
  • PETERSON, Kenneth, S.
    Lancaster, PA 17603 (US)
  • SHERMANN, James, M.
    York, PA 17404 (US)

(74) Representative: Hartz, Nikolai et al
Wächtershäuser & Hartz Patentanwälte Weinstrasse 8
80333 München
80333 München (DE)


(56) References cited: : 
EP-A- 0 516 872
WO-A-01/70178
 EP-A- 0 839 517
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).