Solicitação de exame técnico
#4.1
04/11/1989
RPI 964
Application data
Number
PI8707459Type
Filing
Publication
PCT
JP1987000684 The letters patent expired on 07/29/2008: 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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Idemitsu Kosan Co., Ltd
JP
Inventors
N. M. (pessoa física)
JP
T. K. (pessoa física)
JP
U. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/11/1989
RPI 964
#1.3
12/06/1988
RPI 946
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09C 1/48; C01B 31/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 17/09/2002
07/29/2008
RPI 1960
#16.1
09/26/1995
RPI 1295
#9.1
03/07/1995
RPI 1266
#6.1
10/25/1994
RPI 1247
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