Pedido de patente depositado
#2.1
04/18/1989
RPI 965
The letters patent expired on 09/02/2008: 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: 04/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Mitsui Toatsu Chemicals, Incorporated
JP
Inventors
I. O. (pessoa física)
JP
K. A. (pessoa física)
JP
K. F. (pessoa física)
JP
Y. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
316020/1987 · 12/16/1987
JP
330916/1987 · 12/26/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
04/18/1989
RPI 965
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C07C 102/08.
03/27/2018
RPI 2464
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Patente extinta em 15/12/2003
09/02/2008
RPI 1965
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03/25/1997
RPI 1373
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02/25/1997
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04/09/1996
RPI 1323
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05/01/1990
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