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Extract from the Register of European Patents

EP About this file: EP0327919

EP0327919 - Method and agents for preventing staining of teeth [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.07.1994
Database last updated on 19.10.2024
Most recent event   Tooltip16.07.1994No opposition filed within time limitpublished on 07.09.1994 [1994/36]
Applicant(s)For all designated states
THE ROCKEFELLER UNIVERSITY
1230 York Avenue New York
New York 10021-6399 / US
[N/P]
Former [1989/33]For all designated states
THE ROCKEFELLER UNIVERSITY
1230 York Avenue
New York New York 10021-6399 / US
Inventor(s)01 / Cerami, Anthony
Ram Island Drive
Shelter Island, New York 11964 / US
02 / Yamin, Michael A.
59 Delo Drive
Tappan, New York 10983 / US
[1989/33]
Representative(s)Prato, Roberto, et al
Studio Torta S.p.A.
Via Viotti, 9
10121 Torino / IT
[N/P]
Former [1989/33]Prato, Roberto, et al
STUDIO TORTA Società Semplice Via Viotti 9
I-10121 Torino / IT
Application number, filing date89101577.830.01.1989
[1989/33]
Priority number, dateUS1988014972629.01.1988         Original published format: US 149726
US1989029093804.01.1989         Original published format: US 290938
[1989/33]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0327919
Date:16.08.1989
Language:EN
[1989/33]
Type: A3 Search report 
No.:EP0327919
Date:06.02.1991
Language:EN
[1991/06]
Type: B1 Patent specification 
No.:EP0327919
Date:15.09.1993
Language:EN
[1993/37]
Search report(s)(Supplementary) European search report - dispatched on:EP17.12.1990
ClassificationIPC:A61K7/22
[1989/33]
CPC:
A61Q11/00 (EP); A61K8/416 (EP); A61K8/43 (EP);
A61K8/44 (EP); G01N33/6842 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/33]
TitleGerman:Verfahren und Mittel zur Verhinderung der Färbung der Zähne[1989/33]
English:Method and agents for preventing staining of teeth[1989/33]
French:Méthode et composés de prévention de la coloration des dents[1989/33]
Examination procedure31.07.1991Examination requested  [1991/39]
04.06.1992Despatch of a communication from the examining division (Time limit: M04)
08.10.1992Reply to a communication from the examining division
27.11.1992Despatch of communication of intention to grant (Approval: No)
10.03.1993Despatch of communication of intention to grant (Approval: later approval)
18.03.1993Communication of intention to grant the patent
07.06.1993Fee for grant paid
07.06.1993Fee for publishing/printing paid
Opposition(s)16.06.1994No opposition filed within time limit [1994/36]
Fees paidRenewal fee
28.01.1991Renewal fee patent year 03
14.01.1992Renewal fee patent year 04
20.01.1993Renewal fee patent year 05
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Documents cited:Search[XD]EP0222313  ;
 [E]EP0316852  ;
 [T]EP0372603
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.