12.04.2023 y. at 11:00 o'clock Rakhmanov Sharifjon Valijonovich was defended on the topic: «Development of effective composition and production technology of modified composite binders for the production of construction heat-insulating materials», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" and 05.09.05 – "Construction materials and products" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).