definiens: shall mean any enhancement, u rade, addition or modification'to the Ingredients, or the Products, that is desi ed i for the rim se of ectmg or enhancing the tissue a a mo ' n i . bu idi rt . ro e · of the Ingredients or Products, . or ( ii ) for the primary purpose 0 \jHecting or enhnnc'"&Jbemr, cnam¢iii suppon pmpern§ ' or mechpnICal ndhesJOn Rreycnnop DArner wopetueS\of the Ingredients or Products . The foregoingdefinition shall apply ' to any enhancement ; upgrade, addition or modification, whether patented ; patentable or not, conceived or first reduced to practice prior to and during the term of this Distribution and License, Agreement and any and all intellectual property rigbts.therein and thereto . If any such enhancemen~ upgrade, addition or modification is developed to achieve a tPiOdyct cljQJcaI enaoomt other than those in the FielCi then such enhancement, . upgrade, addition or modification shall not result in an Improvement . TbePartieshcreby agree.that, the addition or incorporation of ( x ) a uromc aCid 0 or with the Ingredients to Bjjjproyet IS erie su or es or ( y ) I§labn apdlgr cgllaifiMto or with the Ingredients, shall result in an Improvement . The Parties further agreelhat a Drug - Loaded Product is not an Improvement