Concessão da patente
#16.1
05/31/1988
RPI 919
The letters patent expired on 04/04/1995: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
B. G. (pessoa física)
R. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
03/01/1988
RPI 906
#9.1
10/27/1987
RPI 888
#6.1
03/10/1987
RPI 855
#7.1
05/31/1983
RPI 658
#4.1
05/11/1982
RPI 603
#21.1
04/04/1995
RPI 1270
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Same category
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