Pedido de patente depositado
#2.1
10/24/1989
RPI 992
Application data
Number
PI8903244Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Idemitsu Petrochemical CO , Ltd
JP
Inventors
T. S. (pessoa física)
JP
Y. T. (pessoa física)
JP
IPC Classification
Priority claims
JP
63-165580 · 07/01/1988
JP
63-245562 · 09/28/1988
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