Publicação do pedido de patente
#3.1
05/24/1988
RPI 918
Application data
Number
PI8705541Type
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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Petrole
FR
Inventors
G. P. (pessoa física)
FR
J. L. (pessoa física)
FR
L. B. (pessoa física)
FR
M. B. (pessoa física)
FR
IPC Classification
Priority claims
FR
86/14.576 · 10/17/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/24/1988
RPI 918
#2.1
01/05/1988
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Patente extinta em 24/11/2008
12/11/2012
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11/24/1998
RPI 1455
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04/07/1998
RPI 1424
#6.1
03/25/1997
RPI 1373
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06/06/1995
RPI 1279
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12/18/1990
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