Concessão da patente
#16.1
07/31/1984
RPI 719
The letters patent expired on 07/06/1993: 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: 07/31/1984. We update with every new RPI gazette, published weekly.
Applicants
SUMITOMO CHEMICAL CO
Inventors
F. Y. (pessoa física)
M. K. (pessoa física)
O. M. (pessoa física)
S. T. (pessoa física)
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/31/1984
RPI 719
#13.1
05/15/1984
RPI 708
#9.1
01/31/1984
RPI 693
#6.1
03/29/1983
RPI 649
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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