Pedido de patente depositado
#2.1
09/19/1989
RPI 987
Application data
Number
PI8903181Type
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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia Brasil Ltda
SP, BR
Rhodia S/A
SP, BR
Inventors
F. L. (pessoa física)
FR
IPC Classification
Priority claims
FR
88/08220 · 06/20/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
09/19/1989
RPI 987
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 23/80; B01D 53/36; B01J 21/04.
03/27/2018
RPI 2464
#21.1
Patente extinta em 08/09/2009
12/26/2012
RPI 2190
#25.4
Alterado de: Rhodia S/A
06/20/2000
RPI 1537
#16.1
09/08/1999
RPI 1496
#9.1
12/29/1998
RPI 1460
#6.1
07/28/1998
RPI 1440
#6.1
02/27/1996
RPI 1317
#5.1
06/30/1992
RPI 1126
#4.1
03/03/1992
RPI 1109
#3.1
02/13/1990
RPI 1006
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