Patents/Inventors

Stefan Helmle

HammDE2 patents

2 Patents

US126123092026
Integrated Method for the Commercial and Industrial Utilisation of Calcium Sulphate Whilst Obtaining Rare Earth Elements from the Production of Phosphoric Acid
Thyssenkrupp AG
0 cites
US125837472026
Method for Producing Phosphoric Acid and Calcium Sulphate Quality Suitable for a Clinker Process for the Commercial and Industrial Utilization of Calcium Sulphate
Thyssenkrupp AG
0 cites