04.04.2023 y. at 11:00 o'clock Rubidinov Shokhrukh Gayratjon Ugli was defended on the topic: «Development of an effective technology for obtaining anti-corrosion composite materials and coatings for the protection of chemical industry equipment», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).