Main result of the collaborative research with Sekurit Saint Gobain can be summarised as follows: this research provides a new perspective on corporate R&D management in the context of today intensive innovation; in that perspective knowledge production in research lab is distinct from innovation processes; research management isnt innovation management. Based on our intervention research with Sekurit Saint Gobain Research lab, we give some properties of an I function which differ from research and from development (value evaluation, management processes, managerial objects, economic logic).