Solicitação de exame técnico
#4.1
02/28/1989
RPI 958
Application data
Number
PI8800581Type
Filing
Publication
The patent was granted on 08/31/1993 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Idemitsu Petrochemical Co.,Ltd
JP
Inventors
M. O. (pessoa física)
JP
T. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
029673/1987 · 02/13/1987
JP
055309/1987 · 03/12/1987
JP
061282/1987 · 03/18/1987
JP
256269/1987 · 10/13/1987
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