Leah F. Simkins

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Arlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing primary refractory metal
- Patent number 7,399,335
- Issue date Jul 15, 2008
- H.C. Starck Inc.
- Leonid Natan Shekhter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metalothermic reduction of refractory metal oxides
- Patent number 7,354,472
- Issue date Apr 8, 2008
- H.C. Starck Inc.
- Leonid Natan Shekhter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Tantalum-silicon and niobium-silicon substrates for capacitor anodes
- Patent number 6,802,884
- Issue date Oct 12, 2004
- H. C. Starck, Inc.
- Leah Simkins
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method of preparing primary refractory metal
- Publication number 20060213327
- Publication date Sep 28, 2006
- Leonid Natan Shekhter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metalothermic reduction of refractory metal oxides
- Publication number 20050279187
- Publication date Dec 22, 2005
- Leonid Natan Shekhter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Tantalum-silicon and niobium-silicon substrates for capacitor anodes
- Publication number 20030217619
- Publication date Nov 27, 2003
- H.C. Starck, Inc.
- Leah Simkins
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...