n. 25B6; noun there is a patent on the chemical : COPYRIGHT, licence, legal protection, registered trademark.
25B6; adjective
patent nonsense : OBVIOUS, clear, plain, evident, manifest, self-evident, transparent, overt, conspicuous, blatant, downright, barefaced, flagrant, undisguised, unconcealed, unmistakable.
patent medicines : PROPRIETARY, patented, licensed, branded.