non-proprietary

US /ˌnɑːn.prəˈpraɪə.ter.i/
UK /ˌnɑːn.prəˈpraɪə.ter.i/
1.

niet-propriëtair

Nonproprietary goods do not have the name of a particular company on them:

:
The drug is better known by its non-proprietary name.