Leonid M. Volozhin

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Chimkent, SU

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Patents Grantslast 30 patents

Information Patent Grant
Active mineral additive to binding materials
- Patent number 5,030,288
- Issue date Jul 9, 1991
- Pavel P. Lerke
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing phosphorus
- Patent number 4,780,296
- Issue date Oct 25, 1988
- Kazakhsky Khimiko-Tekhnologichesky Institut
- Erken S. Bugenov
- C01 - INORGANIC CHEMISTRY