Tretinoin was co-developed for its use in acne by James Fulton and Albert Kligman when they were at University of Pennsylvania in the late 1960s. The University of Pennsylvania held the patent for Retin-A, which it licensed to pharmaceutical companies.
/ËÊnËkÉËnstÉËtuËÊÉnlÌ/ /ËÊnËkÉnstÉËtjuËÊÉnlÌ/. adjective. Learner's definition of UNCONSTITUTIONAL. : not allowed by the constitution of a country or government: not constitutional.ËÊnËkÉËnstÉËtuËÊÉnlÌ/ /ËÊnËkÉnstÉËtjuËÊÉnlÌ/. adjective. Learner's definition of UNCONSTITUTIONAL. : not allowed by the constitution of a country or government: not constitutional.
And Congress should do just that: pass a law to prohibit the vice president from exercising executive power. Extensive vice presidential involvement in the executive branch â the role enjoyed by Dick Cheney and Al Gore â is not only unconstitutional, but also a bad idea. Advertisement.