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Andrey G.

Andrey G. Klevtsov, Moscow RU

Patent application numberDescriptionPublished
20100166643Semi-continuous magnesium-hydrogen reduction process for manufacturing of hydrogenated, purified titanium powder - The cost-effective hydrogenated, purified titanium powder is manufactured by the semi-continuous process including: (a) magnesium-thermic reduction of titanium chlorides at 830-880° C. in the hydrogen atmosphere characterized by the formation of a hollow porous block of the reaction mass having an open cavity in the center of the block, (b) full thermal-vacuum separation of the hollow block from excessive Mg and MgCl07-01-2010

Andrey G. Sarafanov, Rockville, MD US

Patent application numberDescriptionPublished
20100167392FACTOR VIII COMPOSITIONS AND METHODS - The present invention provides methods of increasing the half-life and/or specific activity of factor VIII. More specifically, the invention provides methods of increasing the half-life and/or specific activity of factor VIII by substituting one or more amino acids in the A2 domain. It further provides methods for producing such factor VIII mutants. The invention also provides polynucleotides encoding the mutant factor VIII, and methods of treating hemophilia using the polypeptides and polynucleotides of the invention.07-01-2010

Patent applications by Andrey G. Sarafanov, Rockville, MD US

Andrey G. Tirskiy, Moscow RU

Patent application numberDescriptionPublished
20110250043LIFTING SYSTEMS FOR HIGH-RISE BUILDINGS - Elevators for use during construction, maintenance and emergency evacuation which ride on rails on the outside perimeter of buildings are proposed. The rails can be on flat or curved walls. Building setbacks may have movable rail sections connecting the setback wall with the outer perimeter wall for the elevator to travel up the side of the building. Trusses on the elevators can support a crane. A turntable on the elevator can work in conjunction with the elevator and the crane to install or remove trusses for supporting the crane. During emergencies people can escape buildings and fire fighting equipment and personnel can enter building using the outside elevators. Construction safety may be improved by use of the easy to assemble, disassemble and move crane. The elevator cars may be easily attached to rails on the outside of buildings when needed and removed, transported and stored when not needed.10-13-2011