Roger M. Bergman

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Sanatoga, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tantalum powder process
- Patent number 4,684,399
- Issue date Aug 4, 1987
- Cabot Corporation
- Roger M. Bergman
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for dissolving tantalum/columbium materials containing alka...
- Patent number 4,663,130
- Issue date May 5, 1987
- Cabot Corporation
- Roger M. Bergman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Pyrohydrolysis of columbium oxyfluoride to columbium oxide
- Patent number 4,420,469
- Issue date Dec 13, 1983
- Cabot Corporation
- Roger M. Bergman
- C01 - INORGANIC CHEMISTRY