Concessão da patente
#16.1
08/28/1984
RPI 723
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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
E. H. (pessoa física)
N. F. (pessoa física)
N. H. (pessoa física)
R. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/28/1984
RPI 723
#13.1
06/05/1984
RPI 711
#9.1
02/14/1984
RPI 695
#15.11
09/06/1983
RPI 672
#6.1
08/09/1983
RPI 668
02/08/1983
RPI 642
#4.1
06/29/1982
RPI 610
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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