Publicação do pedido de patente
#3.1
10/31/1989
RPI 993
Application data
Number
PI8901182Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia Brasil Ltda
SP, BR
Rhodia S/A
SP, BR
Inventors
A. D. (pessoa física)
FR
C. R. (pessoa física)
FR
IPC Classification
Priority claims
FR
88/03.018 · 03/09/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/31/1989
RPI 993
#2.1
05/02/1989
RPI 967
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09D 17/00; D21H 1/22; D21H 3/78.
03/27/2018
RPI 2464
#21.1
Patente extinta em 09/03/2004
12/15/2009
RPI 2032
#25.4
Alterado de: Rhodia S/A
06/20/2000
RPI 1537
#16.1
02/25/1997
RPI 1369
#13.1
06/25/1996
RPI 1334
#15.11
12/19/1995
RPI 1307
#9.1
12/19/1995
RPI 1307
#6.1
02/14/1995
RPI 1263
#4.1
12/17/1991
RPI 1098
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