Carta-patente expirada
#21.1
Patente extinte em 25/07/2011
06/18/2013
RPI 2215
Application data
Number
PI9106700Type
Filing
Publication
PCT
EP1991001416 The letters patent expired on 06/18/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 06/18/2013. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents Inc
US
Inventors
A. V. (pessoa física)
FR
N. M. (pessoa física)
NL
IPC Classification
Priority claims
EP
90308247.7 · 07/27/1990
GB
9016574.7 · 07/27/1990
Abstract
Tratamento de hidrocarbonetos contendo enxofre, especialmente estoques de suprimento de olefina para o processo oxo, com um catalisador contendo níquel, especialmente catalisador de hidrogenação exaurido, que pode ser tratado com amina.
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinte em 25/07/2011
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RPI 2215
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