Exigência - art. 36 da LPI
#6.1
10/17/1989
RPI 991
Application data
Number
PI8405736Type
Filing
Publication
The patent was granted on 03/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company.
US
Inventors
S. T. (pessoa física)
US
S. F. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/17/1989
RPI 991
#4.1
10/27/1987
RPI 888
#3.1
09/17/1985
RPI 778
#2.1
01/29/1985
RPI 745
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 29/30; B01J 37/24; C10G 35/095.
03/27/2018
RPI 2464
#18.2
05/14/1996
RPI 1328
#16.1
03/26/1991
RPI 1060
#13.1
12/26/1990
RPI 1047
#9.1
09/11/1990
RPI 1032
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.