Concessão da patente
#16.1
08/27/1985
RPI 775
The letters patent expired on 09/19/1995: 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: 08/27/1985. We update with every new RPI gazette, published weekly.
Applicants
Ammonia Casale S.A. e Umberto Zardi.
CH
Inventors
U. Z. (pessoa física)
IPC Classification
Priority claims
IT
22701 A/80 · 06/11/1980
IT
24334 A/79 · 07/13/1979
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