PROCESS FOR THE PREPARATION OF SODIUM POLYSULPHIDES FROM THE ELEMENTS SODIUM AND SULPHUR | ||||
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Application No.EP85106557 |
Publication No.EP0177671 |
ApplicantDegussa GmbH |
IPC |
Status | Application No. |
Publication No. |
Proprietor | Invalidation date |
Not in force since |
Renewal fees last paid |
Record last updated |
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Designated contracting states | AT BE CH DE FR GB IT LI LU NL SE |