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Extract from the Register of European Patents

EP About this file: EP0210937

EP0210937 - Process for the preparation of calcium fluosilicate as a starting material for obtaining pure calcium fluoride and a pure fluosilicic acid [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  26.01.1987
Database last updated on 07.10.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
ALUMINIUM PECHINEY
23, rue Balzac
75008 Paris Cédex 08 / FR
[N/P]
Former [1987/06]For all designated states
ALUMINIUM PECHINEY
23, rue Balzac
F-75008 Paris Cédex 08 / FR
Inventor(s)01 / Siegneurin, Laurent
3, avenue du Parc
F-30340 Salindres / FR
[1987/06]
Representative(s)Pascaud, Claude, et al
PECHINEY 28, rue de Bonnel
69433 Lyon Cédex 3 / FR
[N/P]
Former [1987/06]Pascaud, Claude, et al
PECHINEY 28, rue de Bonnel
F-69433 Lyon Cédex 3 / FR
Application number, filing date86420204.924.07.1986
[1987/06]
Priority number, dateFR1985001191926.07.1985         Original published format: FR 8511919
[1987/06]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0210937
Date:04.02.1987
Language:FR
[1987/06]
Search report(s)(Supplementary) European search report - dispatched on:EP10.11.1986
ClassificationIPC:C01B33/10, C01F11/22, C01B33/107
[1987/06]
CPC:
C01B33/103 (EP,US); C01B33/10 (KR)
Designated contracting statesCH,   DE,   IT,   LI,   NL,   SE [1987/06]
TitleGerman:Verfahren zur Herstellung von Kalziumfluosilikat als Ausgangsmaterial zur Gewinnung von reinem Kalziumfluorid und reiner Kieselfluorwasserstoffsäure[1987/06]
English:Process for the preparation of calcium fluosilicate as a starting material for obtaining pure calcium fluoride and a pure fluosilicic acid[1987/06]
French:Procédé de préparation de fluosilicate de calcium comme matière première pour l'obtention de fluorure de calcium et d'acide fluosilicique pur[1987/06]
File destroyed:02.07.1993
Examination procedure13.01.1987Application withdrawn by applicant  [1987/12]
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Documents cited:Search[A]FR626656
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.