Alexei I. Alexeev

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Leningrad, SU

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Patents Grantslast 30 patents

Information Patent Grant
Cement for the manufacture of cores and moulds and method for prepa...
- Patent number 4,536,216
- Issue date Aug 20, 1985
- Vsesojuzny Nauchno-Issledovatelsky I Proektny Institut Aljuminievoi, Magnievo...
- Nikolai A. Kaluzhsky
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for desilication of aluminate liquors in the production of...
- Patent number 4,518,571
- Issue date May 21, 1985
- Vsesojuzny Nauchno-Issledovatelsky I Proektny Institut Aljuminievo Magnievoi...
- Nikolai A. Kaluzhsky
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for desilication of aluminate solution
- Patent number 4,455,284
- Issue date Jun 19, 1984
- Vsesojuzny Nauchnoissledovatelsky I Proektny Institut Aljuminievoi, Magnievoi...
- Viktor M. Sizyakov
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the production of alumina
- Patent number 4,256,709
- Issue date Mar 17, 1981
- Viktor M. Sizyakov
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES