They only work out these different patents and pay for it because they are quite sure, it is a good product, the humanity needs it and they can earn mony. They want to make sure that it will not be copied. So, good news, which excites the imagination!!
Charlie - Many years ago the whole "sludge thing" was just some pie in the sky dream that if achieved was to have been considered FASC's "Holy Grail". And now, "Kinetic Sludge Drying Technology". Who knew? eom