Solicitação de exame técnico
#4.1
02/14/1989
RPI 956
Application data
Number
PI8701176Type
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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Mitsui Chemicals, Inc.
JP
Mitsui Toatsu Chemicals, Inc.
JP
Inventors
K. K. (pessoa física)
JP
K. K. (pessoa física)
JP
M. N. (pessoa física)
JP
M. O. (pessoa física)
JP
S. N. (pessoa física)
JP
S. S. (pessoa física)
JP
Y. F. (pessoa física)
JP
IPC Classification
Priority claims
JP
45,967/86 · 03/14/1986
JP
58,406/86 · 03/18/1986
JP
58,407/86 · 03/18/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/14/1989
RPI 956
#3.1
01/19/1988
RPI 900
#2.1
06/23/1987
RPI 870
#21.1
Patente extinta em 13/03/2002
07/29/2008
RPI 1960
#25.1
Transferido por incorporação de: Mitsui Toatsu Chemicals Inc.
11/17/1998
RPI 1454
#16.1
05/31/1994
RPI 1226
#9.1
10/19/1993
RPI 1194
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.