Concessão da patente
#16.1
12/27/1988
RPI 949
The letters patent expired on 07/26/1994: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
N. E. (pessoa física)
O. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
10/04/1988
RPI 937
#9.1
06/14/1988
RPI 921
#6.1
12/08/1987
RPI 894
08/04/1987
RPI 876
#15.3
04/22/1987
RPI 861
#6.1
11/16/1983
RPI 682
03/16/1982
RPI 595
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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