Concessão da patente
#16.1
07/30/1985
RPI 771
The letters patent expired on 07/13/1993: 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: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
H. E. (pessoa física)
S. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
#13.1
05/07/1985
RPI 759
#9.1
01/15/1985
RPI 743
#6.1
03/07/1984
RPI 698
#6.1
09/20/1983
RPI 674
#7.1
01/11/1983
RPI 638
01/26/1982
RPI 588
#21.1
07/13/1993
RPI 1180
From the same holder
Same category
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