Concessão da patente
#16.1
04/26/1988
RPI 914
The letters patent expired on 09/21/1993: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
ICI LTD
Inventors
M. G. (pessoa física)
W. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1988
RPI 914
#13.1
02/09/1988
RPI 903
#9.1
10/06/1987
RPI 885
#6.1
02/24/1987
RPI 853
12/29/1981
RPI 584
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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