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Elkem Metals Co LP
Elkem Meta
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3403970A
Process for preparing chromates
Expired / Lapsed
1964-06-02
1968-10-01
0
Details
US3127283A
Microns for
Expired / Lapsed
—
1964-03-31
2
Details