1 Chemicals used in industry; chemicals used in industry, namely, liquid repellent, water resistant, anti staining and corrosion preventive coating and chemicals other than paints, namely, chemical compositions for providing waterproof, water resistant and water repellant coatings and for preventing staining or corrosion; liquid repellent nano-coating, namely, chemical composition providing waterproof, water resistant, and water repellant coatings and for preventing staining or corrosion; textile finishing chemicals having liquid-repellent properties; liquid repellent coating and chemicals for use on plastics, glass, ceramics, optical lenses, metals, fibres, masonry, namely, chemical compositions for providing waterproof, water resistant and water repellant coatings and for preventing staining and corrosion; liquid-repellent compositions generally, namely, chemical compositions to be applied to textiles, plastics, metals, and coatings to prevent water damage; liquid-repellent compositions generally, namely, chemical composition for providing coatings which substantially prevent permeation by water