Jose H. da Silva

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Belo Horizonte, BR

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Patents Grantslast 30 patents

Information Patent Grant
Sulphur granulator
- Patent number 5,071,332
- Issue date Dec 10, 1991
- Petroleo Brasileiro S.A.
- Roberto Garcia
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the granulating of sulphur
- Patent number 4,944,769
- Issue date Jul 31, 1990
- Petroleo Brasileiro S.A.-Petrobras
- Roberto Garcia
- C01 - INORGANIC CHEMISTRY