Pedido de licença compulsória
#20.1
08/15/1989
RPI 982
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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
DU PONT
Inventors
B. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/15/1989
RPI 982
#16.1
03/27/1984
RPI 701
#13.1
01/03/1984
RPI 689
#9.1
09/20/1983
RPI 674
#6.1
01/18/1983
RPI 639
11/10/1981
RPI 577
#21.1
11/30/1993
RPI 1200
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Same category
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