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BRASILEIRO S.A. - PETROBRAS
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RIO DE JANEIRO, BR
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Patents Grants
last 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...
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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