23.03.2023 y. at 14:00 o'clock Rakhimov Murodullo Yusupovich was defended on the topic: «Development of a technology for obtaining composite porous powder materials with high performance properties for cleaning liquids and gases by vibration molding», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" and 05.02.01 - "Materials science in mechanical engineering. Foundry production. Heat treatment and pressure treatment of metals" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).