Concessão da patente
#16.1
05/31/1988
RPI 919
The letters patent expired on 12/26/1995: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemcial Company
US
Inventors
H. R. (pessoa física)
H. D. (pessoa física)
R. R. (pessoa física)
T. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
01/26/1988
RPI 901
#9.1
09/15/1987
RPI 882
#6.1
09/18/1984
RPI 726
12/07/1982
RPI 633
#4.1
10/06/1981
RPI 572
#21.1
12/26/1995
RPI 1308
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.