Concessão da patente
#16.1
04/25/1989
RPI 966
The letters patent expired on 05/02/1995: 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
D. R. (pessoa física)
F. M. (pessoa física)
IPC Classification
Priority claims
GB
48967/78 · 12/18/1978
GB
7911709 · 04/04/1979
GB
7938811 · 04/09/1979
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