Extract from the Register of European Patents

EP About this file: EP0481044

EP0481044 - NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  24.03.1994
Database last updated on 11.04.2026
Most recent event   Tooltip24.03.1994Application deemed to be withdrawnpublished on 11.05.1994 [1994/19]
Applicant(s)For all designated states
Centre National de la Recherche Scientifique
15, quai Anatole France
75007 Paris / FR
[N/P]
Former [1992/17]For all designated states
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
15, quai Anatole France
F-75007 Paris / FR
Inventor(s)01 / PIFFARD, Yves
"La Gergaudière"
F-44240 La Chapelle/Erdre / FR
02 / CROSNIER, Marie-Pierre
17, rue du Gros-Chêne
F-44000 Nantes / FR
03 / TOURNOUX, Michel
24, rue Noire
F-44000 Nantes / FR
04 / GUYOMARD, Dominique
3, rue de la Motte
F-44880 Sautron / FR
05 / VERBAERE, Alain
41, rue des Pinsons, Gesvrine
F-44240 La Chapelle/Erdre / FR
[1992/17]
Representative(s)Peaucelle, Chantal, et al
Cabinet Armengaud Aîné
3, Avenue Bugeaud
75116 Paris / FR
[N/P]
Former [1992/17]Peaucelle, Chantal, et al
Cabinet Armengaud Aine 3, avenue Bugeaud
F-75116 Paris / FR
Application number, filing date91908246.105.04.1991
[1992/17]
WO1991FR00285
Priority number, dateFR1990000447506.04.1990         Original published format: FR 9004475
[1992/17]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO9115426
Date:17.10.1991
Language:FR
[1991/24]
Type: A1 Application with search report 
No.:EP0481044
Date:22.04.1992
Language:FR
The application published by WIPO in one of the EPO official languages on 17.10.1991 takes the place of the publication of the European patent application.
[1992/17]
Search report(s)International search report - published on:EP17.10.1991
ClassificationIPC:C01B33/20, C01B25/45
[1992/17]
CPC:
C01B33/20 (EP); C01G23/003 (EP,US); C01B25/45 (EP);
C01G28/026 (EP); C01G35/006 (EP); C01P2002/77 (EP);
C01P2004/61 (EP) (-)
Designated contracting statesDE,   GB [1992/17]
TitleGerman:SYSTEM-K-NB-SI-O-VERBINDUNG UND SEINE DERIVATE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE ANWENDUNG BESONDERS IN DER OPTIK[1992/17]
English:NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS[1992/17]
French:NOUVEAU COMPOSE DU SYSTEME K-Nb-Si-O ET SES DERIVES, LEUR PROCEDE DE SYNTHESE ET LEURS APPLICATIONS NOTAMMENT EN OPTIQUE[1992/17]
File destroyed:15.01.2000
Entry into regional phase10.12.1991National basic fee paid 
10.12.1991Designation fee(s) paid 
10.12.1991Examination fee paid 
Examination procedure10.12.1991Examination requested  [1992/17]
31.10.1993Application deemed to be withdrawn, date of legal effect  [1994/19]
06.12.1993Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1994/19]
Fees paidPenalty fee
Additional fee for renewal fee
30.04.199303   M06   Not yet paid
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