Publicação do pedido de patente
#3.1
03/07/1989
RPI 959
Application data
Number
PI8804065Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, Inc.
US
Inventors
R. K. (pessoa física)
US
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/07/1989
RPI 959
#2.1
01/03/1989
RPI 950
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 109/097; C07D 211/58.
03/27/2018
RPI 2464
#21.1
Patente extinta em 11/08/2003
09/02/2008
RPI 1965
#16.1
12/26/1995
RPI 1308
#13.1
10/31/1995
RPI 1300
#9.1
06/20/1995
RPI 1281
#6.1
09/20/1994
RPI 1242
02/04/1992
RPI 1105
#4.1
06/11/1991
RPI 1071
From the same holder
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