Origin of neopreneneo- + (chloro)prene
Origin of neopreneneo- (chloro)prene
(countable and uncountable, plural neoprenes)
US, 1930s; genericized trademark for DuPont brand of polychloroprene. neo- (“new") +"Ž isoprene (dropping the iso-), the latter from terpene. Originally called duprene (blend of DuPont and isoprene); the “new" is because neoprene was the first mass-produced general-purpose synthetic rubber.