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Patent details

161995 Title: Procédé de traitement des sables de fonderie pour, notamment récupérer la chromite, ainsi que l'installation et les moyens de mise en oeuvre du procédé.

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Basic information

Application number:
854200516
WO application number:
Type:
European patent granted for BE
Status:
Publication number:
161995
WO publication number:
1rst applicant's nationality:
Translation language:
EPO publication language:
French
SPC number:

Dates

Filing date:
19/03/1985
Grant date:
12/06/1991
EP publication date:
WO publication date:
Claims translation received date:
Translation received date (EP publication B1):
Translation received date (EP publication B2):
Translation received date (EP publication B3):
Registration date:
EP B1 publication date:
12/06/1991
EP B2 publication date:
EP B3 publication date:
Lapsed date:
31/03/1993
Expiration date (if granted and all annual fees paid):

Applicant

Name:
CENTRE STEPHANOIS DE RECHERCHES MECANIQUES HYDROMECANIQUE ET FROTTEMENT Société dite:
Legal Form:
From:
12/06/1991
Address:
Zone Industrielle Sud Rue Benoit Fourneyron F-42160 Andrezieux Boutheon(FR), FR
To:

Priority

Priority patent number:
8404696
Priority date:
21/03/1984
Priority country:
France (FR)

Classification

IPC or IDT classification:
B22C 5/18;

Annual fee

Annual fee(s) Due Date:
Annual fee number:
Expected payer:
Last annual fee payment date:
19/03/1992
Last annual fee paid number:
Payer:

Additional information section

Status:
Case kind / Max duration / Publication code:
Basic patent details (Patent law 1854):
Representative details:
Dupuis, François;Cabinet Laurent et Charras 3 Place de l'Hotel-de-Ville;F-42000 St.Etienne Cédex 1(FR);
Inventor(s) details:
Battie, Gabriel;Bonnel, Yves;
History of owners:
Filing date Document type Publication Type Document Description Number of pages
02/04/1991 General Document (P - P:Pouvoir ou Election domicile) 2 /5/9/9/1/6/0510161995/migrated-docs/854200516_1_548971.pdf