EP0327919 - Method and agents for preventing staining of teeth [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.07.1994 Database last updated on 19.10.2024 | Most recent event Tooltip | 16.07.1994 | No opposition filed within time limit | published 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 date | 89101577.8 | 30.01.1989 | [1989/33] | Priority number, date | US19880149726 | 29.01.1988 Original published format: US 149726 | US19890290938 | 04.01.1989 Original published format: US 290938 | [1989/33] | Filing language | EN | Procedural language | EN | Publication | Type: | 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: | EP | 17.12.1990 | Classification | IPC: | A61K7/22 | [1989/33] | CPC: |
A61Q11/00 (EP);
A61K8/416 (EP);
A61K8/43 (EP);
A61K8/44 (EP);
G01N33/6842 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/33] | Title | German: | 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 procedure | 31.07.1991 | Examination requested [1991/39] | 04.06.1992 | Despatch of a communication from the examining division (Time limit: M04) | 08.10.1992 | Reply to a communication from the examining division | 27.11.1992 | Despatch of communication of intention to grant (Approval: No) | 10.03.1993 | Despatch of communication of intention to grant (Approval: later approval) | 18.03.1993 | Communication of intention to grant the patent | 07.06.1993 | Fee for grant paid | 07.06.1993 | Fee for publishing/printing paid | Opposition(s) | 16.06.1994 | No opposition filed within time limit [1994/36] | Fees paid | Renewal fee | 28.01.1991 | Renewal fee patent year 03 | 14.01.1992 | Renewal fee patent year 04 | 20.01.1993 | Renewal fee patent year 05 |
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