PROPRIETARY DRUG By N., Pam M.S. - April 28, 2013 Any patented drug or compound used for medicinal purpose. The proprietary drug may be a formulation that contains generic compounds in its ingredients. PROPRIETARY DRUG: "For years, Zocor was a proprietary drug manufactured by Merck." Related Psychology Terms GENERIC NAME AYAHUASCA PROLIXIN CROSS-TOLERANCE PRIMIDONE SUBSTANCC-INDUCED MOOD DISORDER BENADRYL TRANSPORTER TAPERING SKINNER, BURRHUS FREDERIC Cite this page: N., Pam M.S., "PROPRIETARY DRUG," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/proprietary-drug/ (accessed April 6, 2020).