Publicação do pedido de patente
#3.1
10/10/1989
RPI 990
Application data
Number
PI8900562Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Akzo N.V.
NL
Inventors
B. B. (pessoa física)
US
J. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/10/1989
RPI 990
#2.1
03/28/1989
RPI 962
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C07C 103/10.
03/27/2018
RPI 2464
#21.1
Patente extinta em 09/02/2004
12/15/2009
RPI 2032
#16.1
03/25/1997
RPI 1373
#9.1
04/30/1996
RPI 1326
#4.1
08/20/1991
RPI 1081
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Same category
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