Publicação do pedido de patente
#3.1
08/01/1989
RPI 980
Application data
Number
PI8805841Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia Brasil Ltda
SP, BR
Rhodia S/A
SP, BR
Inventors
J. P. (pessoa física)
FR
IPC Classification
Priority claims
FR
87/15.275 · 11/04/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/01/1989
RPI 980
#2.1
03/14/1989
RPI 960
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/12; A61K 7/16; A61K 7/18.
03/20/2018
RPI 2463
#21.1
Patente extinta em 04/11/2008
12/18/2012
RPI 2189
#25.4
Alterado de: Rhodia S/A
05/30/2000
RPI 1534
#16.1
05/27/1997
RPI 1382
#13.1
09/17/1996
RPI 1346
#9.1
09/19/1995
RPI 1294
#6.1
08/16/1994
RPI 1237
#4.1
09/03/1991
RPI 1083
From the same holder
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