Auersthal
Austria
3
2018-08-30
The entities that hold a legal rights for patent applications filed by inventor Hermann Ludwig:
Ludwig Hermann from Auersthal, AT has applied for patents for these inventions. The list has both pending applications and granted patents:
Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound
#2 | 2016-03-17Process and plant for separating heavy metals from phosphoric starting material
#3 | 2015-06-25Process and plant for separating heavy metals from phosphoric starting material
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