CM-PATRA / record

(no English title in the source record)

Publication

IN-2014CN04633-A on Google Patents

Filed / published / granted

2013-01-30 / 2015-09-18 / n/a

Offices

IN (includes the Indian office)

Applicants

Drinkard Res And Dev Corp (US, foreign-industry)

Minerals

Iron / Steel / Manganese / Chromium (not on list)

Stages

Hydrometallurgy (leaching, solvent extraction)

Waste stream

None named in the English text

CPC

C22B47/0063

Abstract (first 170 chars)

An improved method for treating manganese containing materials such as seafloor manganese nodules by leaching with aqueous HNO3 and NO gas and more particularly to method