Publicação do pedido de patente
#3.1
01/05/1988
RPI 898
Application data
Number
PI8701437Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 01/05/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
H. S. (pessoa física)
NL
R. I. (pessoa física)
NL
T. D. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/05/1988
RPI 898
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 30/03/2002
07/29/2008
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02/18/1997
RPI 1368
#16.1
01/30/1996
RPI 1313
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
RPI 1282
#6.1
02/11/1992
RPI 1106
#4.1
06/12/1990
RPI 1022
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