Recurso
#12.1
08/08/1989
RPI 981
Application data
Number
PI8502297Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia S/A
SP, BR
Inventors
M. T. (pessoa física)
BR
N. S. (pessoa física)
BR
V. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#12.1
08/08/1989
RPI 981
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04/25/1989
RPI 966
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08/16/1988
RPI 930
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12/30/1986
RPI 845
#4.1
08/05/1986
RPI 824
#3.2
04/29/1986
RPI 810
#2.1
07/23/1985
RPI 770
#21.1
Patente extinta em 10/05/2000
07/15/2008
RPI 1958
#15.11
06/04/1991
RPI 1070
#16.1
06/26/1990
RPI 1024
03/13/1990
RPI 1009
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