The XXXVI International Exhibition "INVENTIONS – BELGRADE '21" and V "CUP of nations of young innovators – BELGRADE 2021" was held in Belgrade from June 1 to 3, 2021, in the Gallery of the Ethnographic Museum. On that occasion, the gold medal and the recognition of the Belgrade Association of Inventors were won for the innovation: "Innovative and eco-friendly technology for unsaturated polyesters based gel-coat production from bio-renewable and waste materials." Our colleagues Milena Milošević and Jovanka (Kovačina) Pejić are part of the team, while the other members of the team are: Dr. Aleksandar Marinković, Dr. Milutin Milosavljević, Dr. Jelena Rusmirović, Dr. Tihomir Kovačević, Aleksandar Jovanović and Dr. Slobodan Petrović, prof. emeritus.

Congratulations to our colleagues and we wish them a lot of success in their future work!