Concessão da patente
#16.1
03/30/1982
RPI 597
The letters patent expired on 08/25/1992: 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: 03/30/1982. We update with every new RPI gazette, published weekly.
Applicants
Rhone-Poulenc S/A
FR
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/30/1982
RPI 597
#13.1
10/06/1981
RPI 572
#21.1
08/25/1992
RPI 1134
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.