Leonid A. Zekel

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Moscow, RU

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of the transition metal component of catalyst used in heav...
- Patent number 6,153,155
- Issue date Nov 28, 2000
- Exxon Research and Engineering Company
- Michael Y. Wen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...