Solicitação de exame técnico
#4.1
01/19/1988
RPI 900
Application data
Number
PI8501420Type
Filing
Publication
The patent was granted on 12/31/1991 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: 01/19/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
D. T. (pessoa física)
US
T. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/19/1988
RPI 900
#3.1
11/26/1985
RPI 788
#2.1
06/18/1985
RPI 765
#18.2
12/24/1996
RPI 1360
#16.1
12/31/1991
RPI 1100
#13.1
10/22/1991
RPI 1090
#9.1
06/25/1991
RPI 1073
#6.1
10/09/1990
RPI 1036
#6.1
03/06/1990
RPI 1008
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.