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Bonn, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for recovering niobium and/or tantalum metal compounds from...
Patent number
4,451,438
Issue date
May 29, 1984
Herman C. Starck Berlin
Wilfried Floeter
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering niobium and/or tantalum compounds from such...
Patent number
4,446,116
Issue date
May 1, 1984
Hermann C. Starck Bertin
Bruno Krismer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for obtaining dissolved suspended or chemically bound substa...
Patent number
4,371,442
Issue date
Feb 1, 1983
Uranerzbergbau GmbH & Co. KG
Hans G. Bals
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for selective separation of uranium from solutions by means...
Patent number
4,233,272
Issue date
Nov 11, 1980
Uranerzbergbau GmbH
Nahit Eresen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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