Mark N. Kawchak

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Phoenixville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
High purity tantalum, products containing the same, and methods of...
- Patent number 7,585,380
- Issue date Sep 8, 2009
- Cabot Corporation
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High purity tantalum, products containing the same, and methods of...
- Patent number 7,431,782
- Issue date Oct 7, 2008
- Cabot Corporation
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High purity tantalum, products containing the same, and methods of...
- Patent number 6,893,513
- Issue date May 17, 2005
- Cabot Corporation
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High purity tantalum, products containing the same, and methods of...
- Patent number 6,348,113
- Issue date Feb 19, 2002
- Cabot Corporation
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
High purity tantalum, products containing the same, and methods of...
- Publication number 20030168131
- Publication date Sep 11, 2003
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
High purity tantalum, products containing the same, and methods of...
- Publication number 20030037847
- Publication date Feb 27, 2003
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
High purity tantalum, products containing the same, and methods of...
- Publication number 20020026965
- Publication date Mar 7, 2002
- Christopher A. Michaluk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...