1. National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM Bucharest, 202 Spl. Independentei, 6th District, 060021 Bucharest, Romania
2. SC EDAS-EXIM SRL, 23 Banat Street, 1st District, 010933 Bucharest, Romania
3. Department of Bioresources and Polymer Science, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology “Politehnica” Bucharest, 1–7 Gh. Polizu Street, 011061 Bucharest, Romania