204
10/06/1987
RPI 885
The letters patent expired on 05/31/1994: 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: 10/06/1987. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
C. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/06/1987
RPI 885
#17.1
11/05/1985
RPI 785
#16.1
09/25/1984
RPI 727
#13.1
06/26/1984
RPI 714
#9.1
03/07/1984
RPI 698
#6.1
05/24/1983
RPI 657
#4.1
05/25/1982
RPI 605
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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