22.2
06/13/1989
RPI 973
The patent was granted on 06/25/1985 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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
DOW CHEMICAL CO [US]
Inventors
M. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/13/1989
RPI 973
#16.1
06/25/1985
RPI 766
#13.1
03/26/1985
RPI 753
#9.1
11/13/1984
RPI 734
#6.1
02/28/1984
RPI 697
#4.1
08/02/1983
RPI 667
#18.2
09/25/1990
RPI 1034
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.