Pedido de patente depositado
#2.1
06/13/1989
RPI 973
Application data
Number
PI8902031Type
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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
Idemitsu Petrochemical CO, LTD
JP
Inventors
K. Y. (pessoa física)
JP
N. K. (pessoa física)
JP
T. A. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
06/13/1989
RPI 973
#21.1
Patente extinta em 28/04/2004
12/22/2009
RPI 2033
#16.1
02/27/1996
RPI 1317
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
RPI 1282
#6.1
09/27/1994
RPI 1243
#4.1
11/27/1990
RPI 1043
#3.1
04/10/1990
RPI 1013
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Same category
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