Unpatented
Part of speech: adjective
Definition: Not patented.
Nonproprietary
Part of speech: adjective
Definition: Lacking proprietary value; not private or privileged information.
Unpatented as an adjective is not patented. while Nonproprietary as an adjective is lacking proprietary value; not private or privileged information.
Part of speech: adjective
Definition: Not patented.
Part of speech: adjective
Definition: Lacking proprietary value; not private or privileged information.
We hope you now know whether to use Unpatented or Nonproprietary in your sentence.