Solicitação de exame técnico
#4.1
10/13/1987
RPI 886
Application data
Number
PI8503490Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 10/13/1987. We update with every new RPI gazette, published weekly.
Applicants
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
152721/1984 · 07/23/1984
JP
162721/84 · 07/23/1984
JP
164020/1984 · 08/03/1984
JP
198245/1984 · 09/20/1984
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