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All countries > Brazil > Rio de Janeiro patent applications

Rio de Janeiro, Brazil

Patent applications with an agent or inventor associated with Rio de Janeiro, Brazil.

20070187110 - Method and apparatus for production in oil wells
20070173399 - Process for obtaining zeolites more resistant to hydrothermal deactivation
20070163779 - Compositions containing a buffer and a peroxide or peracid useful for treating wells


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The listing of Patent Applications for Rio de Janeiro, Brazil is of recent patent applications only. Freshpatents.com tracks patent applications. The applications are submitted to the USPTO for approval, published and eventually approved or denied. This process is completed in anywhere between 1-3 years time by the USPTO, a US goverment agency not affiliated with Freshpatents.com. Notifiy us with any corrections or comments about Rio de Janeiro, Brazil patents or the website in general.