!062594 Calgene and Rhone-Poulenc sue Monsanto and Upjohn Calgene and a Rhone-Poulenc unit has sued Monsanto and an Upjohn unit. C&RP claim that Monsanto is infringing a Calgene patent concerning herbicide resistent seeds. Calgene's patent involves inserting a gene into plants and seeds that make plants resistant to glyphosate, a powerful herbicide that kills all plants when applied to leaves. More as it develops. Greg Aharonian Internet Patent News Service