Pedido de patente depositado
#2.1
08/22/1989
RPI 983
Application data
Number
PI8903114Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
H. S. (pessoa física)
JP
R. Y. (pessoa física)
JP
Y. M. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/22/1989
RPI 983
#21.1
Patente extinta em 29/06/2009
12/26/2012
RPI 2190
#16.1
06/29/1999
RPI 1486
Ref. RPI 1447 de 15/09/1998.
09/29/1998
RPI 1449
#9.1
09/29/1998
RPI 1449
#6.1
09/15/1998
RPI 1447
#6.1
08/06/1996
RPI 1340
#6.1
05/23/1995
RPI 1277
#4.1
03/17/1992
RPI 1111
#3.1
02/06/1990
RPI 1005
From the same holder
Same category
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