Concessão da patente
#16.1
08/26/1986
RPI 827
Application data
Number
PI8300166Type
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: 08/26/1986. 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
08/26/1986
RPI 827
#13.1
06/24/1986
RPI 818
#9.1
02/12/1986
RPI 799
#6.1
06/18/1985
RPI 765
#4.1
12/20/1983
RPI 687
#3.1
10/04/1983
RPI 676
#2.1
03/01/1983
RPI 645
#21.1
Patente extinta em 14/01/98
07/01/2008
RPI 1956
From the same holder
Same category
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