Concessão da patente
#16.1
07/30/1985
RPI 771
The letters patent expired on 09/26/1995: 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: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited.
JP
Inventors
A. S. (pessoa física)
H. M. (pessoa física)
M. O. (pessoa física)
T. S. (pessoa física)
Y. F. (pessoa física)
Pessoa física
IPC Classification
Priority claims
JP
107471/79 · 08/22/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
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05/07/1985
RPI 759
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01/15/1985
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01/17/1984
RPI 691
#4.1
06/07/1983
RPI 659
#21.1
09/26/1995
RPI 1295
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