Publicação do pedido de patente
#3.1
12/05/1989
RPI 998
Application data
Number
PI8901978Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
J. C. (pessoa física)
FR
J. L. (pessoa física)
FR
J. D. (pessoa física)
FR
P. D. (pessoa física)
NL
R. G. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/05/1989
RPI 998
#2.1
06/06/1989
RPI 972
#21.1
Patente extinta em 13/07/2009
12/26/2012
RPI 2190
#16.1
07/13/1999
RPI 1488
#9.1
04/06/1999
RPI 1474
#6.1
07/28/1998
RPI 1440
#6.1
02/27/1996
RPI 1317
#4.1
12/24/1991
RPI 1099
From the same holder
Same category
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