Concessão da patente
#16.1
03/17/1987
RPI 856
The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
PROQUIMBRAS PRODUTOS QUIMICOS [BR]
Inventors
A. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
#13.1
09/02/1986
RPI 828
#9.1
04/29/1986
RPI 810
#6.1
05/21/1985
RPI 761
#4.1
11/06/1984
RPI 733
#3.1
08/14/1984
RPI 721
#2.1
02/22/1983
RPI 644
#18.2
01/16/1990
RPI 1002
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.