Pedido de patente depositado
#2.1
09/19/1989
RPI 987
Application data
Number
PI8903301Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 09/19/1989. 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
09/19/1989
RPI 987
#21.1
Patente extinta em 05/07/2004
12/22/2009
RPI 2033
#16.1
09/24/1996
RPI 1347
#9.1
12/26/1995
RPI 1308
#6.1
06/27/1995
RPI 1282
#4.1
03/24/1992
RPI 1112
#3.1
02/13/1990
RPI 1006
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