Solicitação de exame técnico
#4.1
10/24/1989
RPI 992
Application data
Number
PI8705650Type
Filing
Publication
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Idemitsu Kosan Co., Ltd.
JP
Idemitsu Petrochemical Company Limited
JP
Inventors
M. K. (pessoa física)
JP
T. A. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/24/1989
RPI 992
#3.1
05/31/1988
RPI 919
#2.1
02/23/1988
RPI 905
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C08G 63/74.
03/27/2018
RPI 2464
#21.1
Patente extinta em 22/10/2002
07/29/2008
RPI 1960
#25.7
Alterada a sede do Titular conforme requerido na Petição nº 020050025938/RJ de 15/04/2005.
02/21/2006
RPI 1833
#25.1
Transferido por Fusão de: Idemitsu Petrochemical Co., Ltd.
02/07/2006
RPI 1831
#16.1
05/25/1993
RPI 1173
#13.1
12/29/1992
RPI 1152
#9.1
08/04/1992
RPI 1131
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.