23.04.2023 у. at 14:30 o'clock Khatamkulov Bekzod Iskandarbek ugli was defended on the topic: «Development of technology for obtaining high-quality mineral ingredients and their use in the production of composite paints and coatings», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" for the degree of Doctor of Philosophy in technical sciences (РhD).