Inventor
HERMANN LUDWIG
AT3 patents
Patents
3 patentsUS10259752B2Apr 16, 2019
Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound
OUTOTEC FINLAND OY1 citations51
US9840415B2Dec 12, 2017
Process and plant for separating heavy metals from phosphoric starting material
OUTOTEC FINLAND OY0 citations43
US10081545B2Sep 25, 2018
Process and plant for separating heavy metals from phosphoric starting material
OUTOTEC FINLAND OY0 citations40