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Extract from the Register of European Patents

EP About this file: EP0478932

EP0478932 - Yellow dental alloy with a high gold content [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  14.03.1997
Database last updated on 07.03.2026
Most recent event   Tooltip14.03.1997Patent maintained (B2 publication)published on 02.05.1997 [1997/18]
Applicant(s)For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1992/15]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Inventor(s)01 / Schöck, Gernot, Dipl.-Ing.
Bahnhofstrasse 56
W-6454 Bruchköbel / DE
02 / Kempf, Bernd, Dr. Dipl.-Ing.
Am Trieb 28
W-6364 Freigericht / DE
03 / Groll, Werner, Dr. Dipl.-Ing.
Gartenstrasse 5
W-8755 Alzenau / DE
[1992/15]
Application number, filing date91113530.913.08.1991
[1992/15]
Priority number, dateDE1990403116903.10.1990         Original published format: DE 4031169
[1992/15]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0478932
Date:08.04.1992
Language:DE
[1992/15]
Type: B1 Patent specification 
No.:EP0478932
Date:15.12.1993
Language:DE
[1993/50]
Type: B2 New European patent specification 
No.:EP0478932
Date:02.05.1997
Language:DE
[1997/18]
Search report(s)(Supplementary) European search report - dispatched on:EP16.01.1992
ClassificationIPC:A61K6/04, C22C5/02
[1992/15]
CPC:
C22C5/02 (EP,US); A61K6/844 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1992/15]
TitleGerman:Hochgoldhaltige gelbe Dentallegierung[1992/15]
English:Yellow dental alloy with a high gold content[1992/15]
French:Alliage jaune dentaire à haute teneur en or[1992/15]
Examination procedure13.08.1991Examination requested  [1992/15]
26.02.1993Despatch of a communication from the examining division (Time limit: M02)
02.04.1993Reply to a communication from the examining division
13.05.1993Despatch of communication of intention to grant (Approval: Yes)
09.06.1993Communication of intention to grant the patent
09.08.1993Fee for grant paid
09.08.1993Fee for publishing/printing paid
Opposition(s)Opponent(s)01  07.09.1994  20.09.1994  ADMISSIBLE
S.M. Koos Edelmetalle GmbH
Rotebühlplatz 35
70178 Stuttgart / DE
Opponent's representative
Bähring, Albrecht
Kohler Schmid + Partner
Patentanwälte
Ruppmannstrasse 27
70565 Stuttgart / DE
 02  15.09.1994  27.09.1994  ADMISSIBLE
WEGOLD Edelmetalle
Nibelungenstrasse 5
90530 Wendelstein / DE
Opponent's representative
Tergau, Enno
Mögeldorfer Hauptstrasse 51
90482 Nürnberg / DE
 [N/P]
Former [1994/45]
Opponent(s)01  07.09.1994  20.09.1994  ADMISSIBLE
S.M. Koos Edelmetalle GmbH
Rotebühlplatz 35
70178 Stuttgart / DE
Opponent's representative
Bähring, Albrecht
Kohler Schmid + Partner Patentanwälte Ruppmannstrasse 27
D-70565 Stuttgart / DE
 02  15.09.1994  27.09.1994  ADMISSIBLE
WEGOLD Edelmetalle
Nibelungenstrasse 5
90530 Wendelstein / DE
Opponent's representative
Tergau, Enno, Dipl.-Ing.
Mögeldorfer Hauptstrasse 51
D-90482 Nürnberg / DE
Former [1994/44]
Opponent(s)01  07.09.1994  20.09.1994  ADMISSIBLE
S.M. Koos Edelmetalle GmbH
Rotebühlplatz 35
70178 Stuttgart / DE
Opponent's representative
Bähring, Albrecht
Kohler Schmid + Partner Patentanwälte Ruppmannstrasse 27
D-70565 Stuttgart / DE
16.09.1994No. 01: Notification indicating deficiencies in the notice of opposition
08.11.1994Invitation to proprietor to file observations on the notice of opposition
04.03.1995Reply of patent proprietor to notice(s) of opposition
17.01.1996Date of oral proceedings
27.02.1996Despatch of interlocutory decision in opposition
27.02.1996Despatch of minutes of oral proceedings
09.03.1996Legal effect of interlocutory decision in opposition
03.12.1996Despatch of communication that the patent will be maintained as amended
29.01.1997Fee for printing new specification paid
Fees paidRenewal fee
17.07.1993Renewal fee patent year 03
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Lapses during opposition  TooltipDE07.05.1994
[1994/45]
Documents cited:Search[A] DE2424575  (DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER, 6000 FRANKFURT) [A]
 [A] CH636905  (UNITEK CORP et al.) [A]
 [A] DE2302837  (DR. TH. WIELAND SCHEIDEANSTALT, 7530 PFORZHEIM) [A]
 [AD] DE3132143  (DEGUSSA AG, 6000 FRANKFURT, DE) [AD]
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.