William Johnson

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Yardley, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating tailing slurries with Caro's acid
- Patent number 6,090,297
- Issue date Jul 18, 2000
- FMC Corporation
- Harry M. Castrantas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing caro's acid
- Patent number 5,879,653
- Issue date Mar 9, 1999
- FMC Corporation
- Harry M. Castrantas
- C01 - INORGANIC CHEMISTRY