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last 30 patents
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Patent Grant
Method for preparing a catalyst for one-step production of butadien...
Patent number
11,642,657
Issue date
May 9, 2023
Petroleo Brasileiro S.A. Petrobras
Carlos Rene Klotz Rabello
C07 - ORGANIC CHEMISTRY
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Patent Grant
Lactic acid direct synthesis process
Patent number
8,962,882
Issue date
Feb 24, 2015
Petroleo Brasileiro S.A. Petrobras
Marco André Fraga
C07 - ORGANIC CHEMISTRY
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last 30 patents
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METHOD FOR PREPARING A CATALYST FOR ONE-STEP PRODUCTION OF BUTADIEN...
Publication number
20230084913
Publication date
Mar 16, 2023
Petroleo Brasileiro S.A. - PETROBRAS
Carlos Rene Klotz Rabello
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PROCESS OF SYNTHESIS OF SILICA-BASED ADSORBENTS, ADSORBENTS AND USE
Publication number
20220212159
Publication date
Jul 7, 2022
Petroleo Brasileiro S.A. - PETROBRAS
Cristina PONTES BITTENCOURT QUITETE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
LACTIC ACID DIRECT SYNTHESIS PROCESS
Publication number
20140155651
Publication date
Jun 5, 2014
INT - INSTITUTO NACIONAL de TECNOLOGIA
Marco André FRAGA
C07 - ORGANIC CHEMISTRY
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Patent Application
PROCESSO CATALITICO OXIDATIVO PARA SINTESE DE ACIDO LATICO
Publication number
20140148616
Publication date
May 29, 2014
INSTITUTO NACIONAL DE TECNOLOGIA-INT
Marco Andre Fraga
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
OXIDATIVE CATALYTIC PROCESS FOR THE SYNTHESIS OF LACTIC ACID
Publication number
20140121408
Publication date
May 1, 2014
INSTITUTO NACIONAL DE TECNOLOGIA-INT
Marco Andre FRAGA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
Catalytic system and process for direct synthesis of dimethyl ether...
Publication number
20090326281
Publication date
Dec 31, 2009
PETROLEO BRASILIERO S.A. - PETROBRAS
Lucia Gorenstin Appel
C07 - ORGANIC CHEMISTRY