Solicitação de exame técnico
#4.1
08/18/1987
RPI 878
Application data
Number
PI8405704Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 08/18/1987. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
E. N. (pessoa física)
JP
M. T. (pessoa física)
JP
R. S. (pessoa física)
JP
T. H. (pessoa física)
JP
IPC Classification
Priority claims
JP
211331/1983 · 11/09/1983
JP
229631/1983 · 12/05/1983
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