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.
Say No to Unconstitutional Orders. President Obama, Your executive orders cannot trump the Constitution. Put down the pen, hang up the phone, and work with Congress like every other President in our nationâs history.ather than work with a Republican Congress, President Obama pledged to use the âpenâ and the âphoneâ to craft executive orders to bypass Congress. Thatâs unacceptable. Thatâs unconstitutional. And at the ACLJ weâll challenge the Obama Administration in court to defend the Constitution.