Leonid A. Akopian

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Moskovskaya oblast, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a composite material
- Patent number 4,330,573
- Issue date May 18, 1982
- Leonid A. Kostandov
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for applying polymer coating composition
- Patent number 4,241,112
- Issue date Dec 23, 1980
- Leonid A. Kostandov
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composite material and method of producing same
- Patent number 4,234,659
- Issue date Nov 18, 1980
- Leonid A. Kostandov
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES