Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8400656Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, Inc.
US
Inventors
J. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
04/25/1989
RPI 966
#9.1
11/29/1988
RPI 945
#6.1
06/28/1988
RPI 923
#4.1
03/24/1987
RPI 857
#3.1
02/05/1985
RPI 746
#2.1
05/02/1984
RPI 706
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 179/18; C08F 4/36; C08F 4/34.
03/27/2018
RPI 2464
#21.1
Patente extinta em 15/02/99
07/08/2008
RPI 1957
11/05/1991
RPI 1092
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.