Prof. Athir Haddad and his, a faculty member of the Department of Chemistry, College of Science , and his master student have participated in the invention fair that is organized by the Ministry of Youth and Sport, in Baghdad 21-24 of January 2022. They have presented five invensions about polymers that can be used for the following applications; Desertification, fertilizers, hydrogels that can be used for irrigation and reduce water loss, water purification, and other medical applications.