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#18.2
08/29/1989
RPI 984
The patent was granted on 04/24/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
SHINETSU CHEMICAL CO
Inventors
H. K. (pessoa física)
K. A. (pessoa física)
S. K. (pessoa física)
Y. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
08/29/1989
RPI 984
#16.1
04/24/1984
RPI 705
#13.1
01/03/1984
RPI 689
#9.1
09/20/1983
RPI 674
05/24/1983
RPI 657
#15.11
04/26/1983
RPI 653
09/21/1982
RPI 622
#4.1
02/24/1982
RPI 592
From the same holder
Same category
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