Pedido de patente depositado
#2.1
11/14/1989
RPI 995
Application data
Number
PI8903911Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
K. D. (pessoa física)
JP
T. M. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/14/1989
RPI 995
#21.1
Patente extinta em 03/08/2009
05/21/2013
RPI 2211
#16.1
06/24/1997
RPI 1386
#9.1
10/01/1996
RPI 1348
#6.1
12/12/1995
RPI 1306
#6.1
05/23/1995
RPI 1277
#4.1
09/18/1990
RPI 1033
#3.1
03/27/1990
RPI 1011
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