DRINKARD RESEARCH AND DEVELOPMENT CORPORATION
DRINKARD RESEARCH AND DEVELOPMENT CORPORATION Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20150368120 | TREATMENT OF MANGANESE-CONTAINING MATERIALS - An improved method for treating manganese-containing materials, such as seafloor manganese nodules, by leaching with aqueous HNO | 12-24-2015 |