Concessão da patente
#16.1
07/26/1988
RPI 927
The letters patent expired on 09/12/1995: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Kumiai Chemical Industry Co, Ltd
JP
Inventors
H. K. (pessoa física)
H. N. (pessoa física)
K. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/26/1988
RPI 927
#13.1
05/10/1988
RPI 916
#9.1
12/29/1987
RPI 897
#7.1
03/29/1983
RPI 649
#4.1
03/23/1982
RPI 596
#21.1
09/12/1995
RPI 1293
From the same holder
Same category
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