Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8300431Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
RHONE POULENC SPEC CHIM [FR]
Inventors
T. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/30/1989
RPI 971
#13.1
12/27/1988
RPI 949
#9.1
09/06/1988
RPI 933
#6.1
12/08/1987
RPI 894
11/18/1986
RPI 839
#4.1
10/08/1985
RPI 781
#3.1
11/01/1983
RPI 680
#2.1
03/15/1983
RPI 647
#21.1
Patente extinta em 28/01/98
08/19/2008
RPI 1963
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.