Concessão da patente
#16.1
04/30/1985
RPI 758
The letters patent expired on 05/16/1995: 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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
STAMICARBON
Inventors
L. P. (pessoa física)
P. A. (pessoa física)
S. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/30/1985
RPI 758
#13.1
03/05/1985
RPI 750
#9.1
10/23/1984
RPI 731
#7.1
06/19/1984
RPI 713
#7.1
10/11/1983
RPI 677
#21.1
05/16/1995
RPI 1276
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.