24.12.2024 y. at 14:30 o'clock Ikrоmov Muhammad-Ayubkhon Khakimjan ugli was defended on the topic: «Development of technology for production of polymer-bitumen compositions for highways based on local raw materials», 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).