Estevao De Oliveira Barra

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Deventer, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process to produce oil or gas from a subterranean formation using a...
- Patent number 10,995,257
- Issue date May 4, 2021
- Nouryon Chemicals International B.V.
- Cornelia Adriana De Wolf
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process to treat subterranean formations using a chelating agent
- Patent number 9,745,509
- Issue date Aug 29, 2017
- Akzo Nobel Chemicals International B.V.
- Hisham Nasr-El-Din
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Process to Treat Subterranean Formations Using a Chelating Agent
- Publication number 20160115376
- Publication date Apr 28, 2016
- Akzo Nobel Chemicals International B.V.
- Hisham Nasr-El-Din
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process To Produce Oil Or Gas From A Subterranean Formation Using A...
- Publication number 20150107832
- Publication date Apr 23, 2015
- Cornelia Adriana DeWolf
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...