5.2
03/21/1989
RPI 961
Application data
Number
PI8505371Type
Filing
Publication
The letters patent expired on 12/05/2012: 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
Atochem
FR
Inventors
F. D. (pessoa física)
FR
H. N. (pessoa física)
FR
IPC Classification
Priority claims
FR
84 16827 · 10/31/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
03/21/1989
RPI 961
#4.1
07/05/1988
RPI 924
#3.1
08/05/1986
RPI 824
#2.1
12/24/1985
RPI 792
#21.1
Patente extinta em 29/06/2009
12/05/2012
RPI 2187
#16.1
06/29/1999
RPI 1486
Referente a 13ª anuidade
12/01/1998
RPI 1456
#9.1
07/07/1998
RPI 1437
From the same holder
Same category
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