BRASILEIRO S.A. - PETROBRAS

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RIO DE JANEIRO, BR

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Patents Grantslast 30 patents

Information Patent Grant
Method for the combined application of scale remover and inhibitor
- Patent number 11,952,534
- Issue date Apr 9, 2024
- Petróbras Brasileiro S. A.—Petrobras
- Mario Germino Ferreira Da Silva
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Support for risers and method for coupling and uncoupling
- Patent number 11,946,324
- Issue date Apr 2, 2024
- Petróbras Brasileiro S. A.—Petrobras
- Claudio Violante Ferreira
- E21 - EARTH DRILLING MINING

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