Patent number: 11987536
Abstract: A method comprising (a) obtaining rock fines comprising at least one of basalt, metabasalt, diabase, rhyolite, andesite, meta-andesite, granite, graphite, talc, silica, sand, perlite, or a combination thereof, (b) obtaining a binder, (c) obtaining a material comprising at least one of Ca, Mg, S, B, Cl, Cu, Fe, Mn, Mo, Ni, Zn, or a combination thereof, and (d) combining ingredients comprising the rock fines, the binder, and the material.
Type:
Grant
Filed:
September 26, 2022
Date of Patent:
May 21, 2024
Assignee:
Specialty Granules Investments LLC
Inventors:
Raju Khatiwada, Daniel E Rardon