RF Patent 2216525. Solovykh G.N., Ushakova E.I., Ivshina I.B., Raimova E.K. "Microbiological treatment of industrial wastes contaminated with heavy metals, including zink, cadmium and lead". Priority. 11.03.2002. Registered with the Public Register for Inventions 20.11.2004.
RF Patent 193464. Ivshina I.B., Kostarev S.M., Kuyukina M.S., Zakshevskaya L.V. "Bioremediation method for soils contaminated with oil or oil products". Priority. 14.11.2001. Registered with the Public Register for Inventions 27.11.2002.
RF Patent 2180276. Kuyukina M.S., Ivshina I.B. "An oleophilic preparation for oil-contaminated soil treatment". Priority. 19.02.2001. Registered with the Public Register for Inventions 10.03.2002.
RF Patent 2106407. Ivshina I.B., Kuyukina M.S. "Method for selective isolation of alkanotrophic rhodococci". Priority. 30.12.1996. Registered with the Public Register for Inventions 10.03.1998.