Pedido de licença compulsória
#20.1
07/18/1989
RPI 978
The letters patent expired on 04/25/1995: 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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
DU PONT
Inventors
C. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
07/18/1989
RPI 978
#16.1
12/26/1984
RPI 740
#13.1
10/23/1984
RPI 731
#9.1
06/26/1984
RPI 714
#6.1
01/10/1984
RPI 690
#4.1
06/29/1982
RPI 610
#21.1
04/25/1995
RPI 1273
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Same category
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