Concessão da patente
#16.1
11/29/1983
RPI 684
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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
BAYER AG
Inventors
F. R. (pessoa física)
H. I. (pessoa física)
S. W. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
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09/27/1983
RPI 675
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05/31/1983
RPI 658
#6.1
11/30/1982
RPI 632
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#21.1
11/30/1993
RPI 1200
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