-
Treatment of manganese-containing materials
-
Patent number 9,926,206
-
Issue date Mar 27, 2018
-
DEEPGREEN ENGINEERING, PTE. LTD.
-
William F. Drinkard
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
-
-
-
-
-
-
3780159
-
Patent number 3,780,159
-
Issue date Dec 18, 1973
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
2726140
-
Patent number 2,726,140
-
Issue date Dec 6, 1955
-
C01 - INORGANIC CHEMISTRY
-
2017980
-
Patent number 2,017,980
-
Issue date Oct 22, 1935
-
C01 - INORGANIC CHEMISTRY
-
1986495
-
Patent number 1,986,495
-
Issue date Jan 1, 1935
-
C01 - INORGANIC CHEMISTRY
-
1761133
-
Patent number 1,761,133
-
Issue date Jun 3, 1930
-
C01 - INORGANIC CHEMISTRY