Solicitação de exame técnico
#4.1
12/02/1986
RPI 841
Application data
Number
PI8505449Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 12/02/1986. We update with every new RPI gazette, published weekly.
Applicants
Mitsui Chemicals Inc.
JP
Mitsui Toatsu Chemicals, Inc.
JP
Inventors
H. N. (pessoa física)
JP
M. W. (pessoa física)
JP
N. K. (pessoa física)
JP
T. Y. (pessoa física)
JP
T. N. (pessoa física)
JP
IPC Classification
Priority claims
JP
13462/85 · 01/29/1985
JP
228859/84 · 11/01/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/02/1986
RPI 841
#3.1
08/05/1986
RPI 824
#2.1
01/14/1986
RPI 795
#21.1
Patente extinta em 31/10/2000
07/15/2008
RPI 1958
#25.1
Transferido de: Mitsui Toatsu Chemicals Inc.
04/30/2002
RPI 1634
#16.1
07/27/1993
RPI 1182
#13.1
04/20/1993
RPI 1168
#9.1
12/01/1992
RPI 1148
#6.1
03/19/1991
RPI 1059
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.