Solicitação de exame técnico
#4.1
05/06/1986
RPI 811
Application data
Number
PI8401784Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 05/06/1986. We update with every new RPI gazette, published weekly.
Applicants
Rhodia S/A
SP, BR
Rhodia-Ster Fibras Ltda.
SP, BR
Inventors
G. N. (pessoa física)
BR
L. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/06/1986
RPI 811
#3.1
11/19/1985
RPI 787
#2.1
06/26/1984
RPI 714
#21.1
Patente extinta em 13/04/99
07/08/2008
RPI 1957
#25.1
Transferido de: Rhodia S/A
05/11/1999
RPI 1479
#16.1
11/30/1993
RPI 1200
#13.1
08/24/1993
RPI 1186
#9.1
04/27/1993
RPI 1169
#6.1
06/18/1991
RPI 1072
#7.1
10/23/1990
RPI 1038
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