Inventor · disambiguated record

Johan S. Leirnes

Also filed as: LEIRNES JOHAN S

3 granted patents·32 citations·filing 1982–1984

69Inventor score

Technology areasC22B

Files withBOLIDEN AB3

Top patents by PatentIndex Score

3 records

0173US4415360AMethod for working-up metal-containing waste productsBOLIDEN AB·Filed 1982·Granted Nov 15, 1983·18 cites·11 claims
0255US4512798AMethod for producing lead from sulphidic and oxidic and/or sulphatic lead raw materialsBOLIDEN AB·Filed 1984·Granted Apr 23, 1985·9 cites·11 claims
0340US4508565AMethod for producing lead from oxidic lead raw materials which contain sulphurBOLIDEN AB·Filed 1984·Granted Apr 2, 1985·5 cites·12 claims

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