Method of making a composition for separating and concentrating

Method of making a material

Method of making a material

Method of making a material

Method of making a reverse osmosis semipermeable membrane

Method of making an absorbent composite

Method of making an expaned extruded polymeric textile

Method of making filter paper

Method of making irregularly porous cloth

Method of making polyvinylidene difluoride structure

Method of making thin film composite membranes

Method of manufacture of a water-permeable-hydrophobic membrane

Method of manufacturing a composite wall

Method of manufacturing honeycomb and foam composite material

Method of manufacturing supports for porous filters

Method of manufacturing textured foam coatings and materials

Method of marking an area with a dry foamable composition

Method of preparing a diaphragm for an electrolytic cell

Method of preparing a microporous film, and imaging method

Method of preparing composite sheet material