Concessão da patente
#16.1
02/03/1987
RPI 850
The letters patent expired on 06/13/1995: 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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
NIKKI CHEM CO LTD
Inventors
M. K. (pessoa física)
T. A. (pessoa física)
Y. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
08/26/1986
RPI 827
#12.1
12/10/1985
RPI 790
#9.1
09/10/1985
RPI 777
#6.1
11/13/1984
RPI 734
#6.1
02/14/1984
RPI 695
11/16/1982
RPI 630
#5.1
03/30/1982
RPI 597
#21.1
06/13/1995
RPI 1280
Same category
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