definiens: means any ! know how, trade seeret, e~£perimeetal data, forml : lla, e)(pert opinion, e ~ erimental proeedl : lre and other eonfideetial and/or proprietary information speeifieally eoneeming the Compol : lHd, intermediates thereof, or a Prodl : let whieh is de'/eloped or aeEJ : l : lired by or on behalf of Agol : lfon or Roehe, independeetly or jointly, as the ease may be, in the Deyelopmeet Program after the Bffeetive Date of this Agreemeet \'.~ieh are I : lseful or neeessary either : ( i ) for forml : llation ( inell : lding sl : lstained release forml : llations ), mantlfaetl : lre, I : lse and applieation of a Pro duet ; or ( ii ) for obtaining R ~ gistration of a Prodl : let, and whieh is llIlder the Control of Agol : lfon and Roehe, solely or joietly