It is in fact a trademarked name by Seaquist Closures (Mukwonago, WI) called EuroStyle®.
Companies in this article
In the February '98 issue of Packaging World, p. 4, the dispensing closure used on Black Gold creme and lotion was referred to generically as a "eurostyle" closure.
It is in fact a trademarked name by Seaquist Closures (Mukwonago, WI) called EuroStyle®.