22.0
08/31/1982
RPI 619
The letters patent expired on 08/03/1993: 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: 08/31/1982. We update with every new RPI gazette, published weekly.
Applicants
CIBA GEIGY AG
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
08/31/1982
RPI 619
#21.1
08/03/1993
RPI 1183
From the same holder
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