Publicação do pedido de patente
#3.1
09/15/1987
RPI 882
Application data
Number
PI8606040Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 09/15/1987. We update with every new RPI gazette, published weekly.
Applicants
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., companhia holandesa.
NL
Inventors
W. E. (pessoa física)
IPC Classification
Priority claims
US
806307 · 12/09/1985
US
893430 · 08/05/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/15/1987
RPI 882
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04/22/1987
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