Polyurethanes used in the processing of sand for hydraulic fracturing

COATING, IMPREGNATING, AND BINDING AGENTS FOR USE IN THE PROCESSING OF TEXTILES, PAPER, LEATHER, AND/OR FELT TO OBTAIN A DESIRED PHYSICAL MODIFICATION THEREOF INCLUDING, WITHOUT LIMITATION, THE PRODUCTION ON TEXTILES AND FELTS OF A COATING RESISTANT TO MECHANICAL REMOVAL AND WHICH INCREASES THE LIFE THEREOF BY BINDING THE YARNS OR FIBERS INCORPORATED THEREIN IN PLACE, THE PRODUCTION OF A GLOSSY, SEMITRANSPARENT, WATER-FAST COATING ON PAPER, THE PRODUCTION OF PAPER CHARACTERIZED BY GREATLY INC...

aroma chemicals used in the manufacture of natural and synthetic essential oils, which are used by others in the manufacture of medicines, pharmaceuticals, perfumes, cosmetics, detergents and soaps