Pedido de patente depositado
#2.1
11/07/1989
RPI 994
Application data
Number
PI8904001Type
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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
J. S. (pessoa física)
JP
N. M. (pessoa física)
JP
R. Y. (pessoa física)
JP
S. K. (pessoa física)
JP
T. H. (pessoa física)
JP
Y. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
199155/88 · 08/09/1988
JP
243539/88 · 09/27/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/07/1989
RPI 994
#21.1
Patente extinta em 28/12/2009
12/26/2012
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