Patent details

EP0161995 Title: Process for treating foundry sands in order to reclaim chromite, and equipment therefor.

Basic Information

Publication number:
EP0161995
PCT Application Number:
Type:
European Patent Granted for LU
Legal Status:
Lapsed
Application number:
EP854200516
PCT Publication Number:
First applicant's nationality:
Translation Language:
EPO Publication Language:
French
English Title of Invention:
Process for treating foundry sands in order to reclaim chromite, and equipment therefor.
French Title of Invention:
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.
German Title of Invention:
Verfahren zur Behandlung von GiessereisÄnden zum Wiedererlangen von Chromit und Vorrichtung dazu.
SPC Number:

Dates

Filing date:
19/03/1985
Grant date:
12/06/1991
EP Publication Date:
12/06/1991
PCT Publication Date:
Claims Translation Received Date:
Translations Received Date (B1 EP Publication):
Translations Received Date (B2 EP Publication):
Translations Received Date (B3 EP Publication):
Publication date:
21/11/1985
EP B1 Publication Date:
12/06/1991
EP B2 Publication Date:
EP B3 Publication Date:
Lapsed date:
31/03/1992
Expiration date:
19/03/2005
Renunciation date:
Revocation date:
Annulment date:

Owner

From:
19/03/1985
 
 

Name:
CENTRE STEPHANOIS DE RECHERCHES MECANIQUES HYDROMECANIQUE ET FROTTEMENT SOCIETE DITE:
Address:
ZONE INDUSTRIELLE SUD RUE BENOIT FOURNEYRON, 42160, ANDREZIEUX BOUTHEON, France (FR)

Inventor

1

Name:
Battie Gabriel
Address:
France (FR)

2

Name:
Bonnel Yves
Address:
France (FR)

Priority

Priority Number:
8404696
Priority Date:
21/03/1984
Priority Country:
France (FR)

Classification

Main IPC Class:
B22C 5/18;
Filing date Document type Number of pages