INTERNATIONAL PATENT: PETROLEO BRASILEIRO S.A. - PETROBRAS, NCHEMI ENGENHARIA DE MATERIAIS LTDA - NCHEMI FILES APPLICATION FOR "USE OF IRON- OR ZINC-BASED NANOSTRUCTURED COMPOUNDS IN DRILLING FLUIDS FOR H2S SEQUESTRATION"

GENEVA, March 23 -- PETROLEO BRASILEIRO S.A. - PETROBRAS (Av. Republica do Chile, 65 - Centro, RJ20031-912 Rio de Janeiro), NCHEMI ENGENHARIA DE MATERIAIS LTDA - NCHEMI (Rodovia SP215 Luiz Augusto de Oliveira, Km 148,8, São Paulo13573-900 São Carlos) filed a patent application (PCT/BR2024/050412) for "USE OF IRON- OR ZINC-BASED NANOSTRUCTURED COMPOUNDS IN DRILLING FLUIDS FOR H2S SEQUESTRATION" on Sep 12, 2024. With publication no. WO/2025/054688, the details related to the patent application was published on Mar 20, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): RODRIGUES DE MOURA...