Concessão da patente
#16.1
09/25/1984
RPI 727
The letters patent expired on 07/20/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
H. E. (pessoa física)
S. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/25/1984
RPI 727
#13.1
06/26/1984
RPI 714
#9.1
03/07/1984
RPI 698
#6.1
08/30/1983
RPI 671
#6.1
10/19/1982
RPI 626
12/29/1981
RPI 584
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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