Freeport Research & Development Company

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Phosphoric acid crystallization process
- Patent number 4,655,790
- Issue date Apr 7, 1987
- Freeport Research & Development Company
- Tadeusz K. Wiewiorowski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Simultaneous leaching and cementation of precious metals
- Patent number 4,384,889
- Issue date May 24, 1983
- Freeport Research & Development Company
- Tadeusz K. Wiewiorowski
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...