Solicitação de exame técnico
#4.1
04/12/1988
RPI 912
Application data
Number
PI8504746Type
Filing
Publication
The patent was granted on 04/28/1992 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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company
JP
Sumitomo Chemical Company, Limited
JP
Inventors
E. N. (pessoa física)
JP
K. M. (pessoa física)
JP
R. S. (pessoa física)
JP
T. H. (pessoa física)
JP
IPC Classification
Priority claims
JP
203785/1984 · 09/27/1984
JP
579449/1984 · 12/27/1984
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