Publicação do pedido de patente
#3.1
03/21/1989
RPI 961
Application data
Number
PI8804293Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 03/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
G. R. (pessoa física)
NL
J. S. (pessoa física)
NL
M. G. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/21/1989
RPI 961
#2.1
01/10/1989
RPI 951
#21.1
Patente extinta em 24/11/2008
12/11/2012
RPI 2188
#16.1
11/24/1998
RPI 1455
#9.1
05/19/1998
RPI 1430
#6.1
02/07/1995
RPI 1262
#5.1
08/13/1991
RPI 1080
#4.1
05/21/1991
RPI 1068
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Same category
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