Concessão da patente
#16.1
06/28/1988
RPI 923
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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
C. R. (pessoa física)
L. J. (pessoa física)
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
#13.1
05/10/1988
RPI 916
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12/29/1987
RPI 897
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10/04/1983
RPI 676
#4.1
03/09/1982
RPI 594
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A01N 17/00.
03/27/2018
RPI 2464
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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