Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 11/30/1993: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
DOW CHEMICAL CO
Inventors
J. H. (pessoa física)
T. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/31/1987
RPI 858
#9.1
10/29/1986
RPI 836
#6.1
04/22/1986
RPI 809
#6.1
11/27/1984
RPI 736
#6.1
12/07/1982
RPI 633
10/13/1981
RPI 573
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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