Haroldo De Araújo Ponte

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Curitiba, BR

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a zinc sulfate solution, obtained from steelw...
- Patent number 9,656,924
- Issue date May 23, 2017
- Haroldo De Araújo Ponte
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING A ZINC SULFATE SOLUTION, OBTAINED FROM STEELW...
- Publication number 20160075610
- Publication date Mar 17, 2016
- Haroldo DE ARAÚJO PONTE
- C05 - FERTILISERS MANUFACTURE THEREOF