Concessão da patente
#16.1
06/24/1986
RPI 818
Application data
Number
PI8206495Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
MITSUI PETROCHEMICAL IND [JP]
PLACO CO LTD [JP]
Inventors
T. A. (pessoa física)
T. F. (pessoa física)
T. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
#9.1
10/22/1985
RPI 783
08/13/1985
RPI 773
#15.11
07/30/1985
RPI 771
#6.1
02/20/1985
RPI 748
#4.1
12/06/1983
RPI 685
#3.1
09/27/1983
RPI 675
#2.1
01/04/1983
RPI 637
#21.1
Patente extinta em 09/11/97
08/19/2008
RPI 1963
From the same holder
Same category
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