Chemical, mineral, and vegetable preparations and unprocessed plastics in the nature of filtering materials in the nature of unprocessed polyvinylidene chloride resins, polytetrafluoroethylene, technopolymers for use in the automotive, aeronautics, industrial manufacturing, construction, electronics and electrical, and hydraulics industry; Chemical preparations for use in photography and developing film; Chemically sensitized photographic paper; unexposed photographic films; plastics, unproce...