Carta-patente expirada
#21.1
Patente extinta em 13/11/2009
12/26/2012
RPI 2190
Application data
Number
PI8905780Type
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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
K. T. (pessoa física)
JP
S. T. (pessoa física)
JP
T. O. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/11/2009
12/26/2012
RPI 2190
#16.1
05/27/1997
RPI 1382
#9.1
10/01/1996
RPI 1348
#6.1
12/12/1995
RPI 1306
#4.1
03/26/1991
RPI 1060
#3.1
06/12/1990
RPI 1022
#2.1
03/27/1990
RPI 1011
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