Publicação do pedido de patente
#3.1
11/28/1989
RPI 997
Application data
Number
PI8901812Type
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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Idemitsu Petrochemical Co., Ltd
JP
Inventors
T. Y. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/28/1989
RPI 997
#2.1
05/30/1989
RPI 971
#21.1
Patente extinta em 18/04/2009
12/26/2012
RPI 2190
#16.1
07/28/1998
RPI 1440
#9.1
09/23/1997
RPI 1399
#5.1
12/04/1990
RPI 1044
#4.1
07/24/1990
RPI 1025
05/15/1990
RPI 1018
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