Concessão da patente
#16.1
08/30/1988
RPI 932
Application data
Number
PI8300114Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
PCUK - Produits Chimiques Ugine Kuhlmann
FR
Inventors
L. J. (pessoa física)
P. M. (pessoa física)
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
#13.1
06/07/1988
RPI 920
#9.1
02/09/1988
RPI 903
#6.1
06/04/1985
RPI 763
#4.1
12/20/1983
RPI 687
#3.1
10/04/1983
RPI 676
#2.1
03/01/1983
RPI 645
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 179/10; C07C 409/24; C07C 409/26.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/01/98
07/01/2008
RPI 1956
From the same holder
Same category
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