Concessão da patente
#16.1
06/28/1988
RPI 923
The letters patent expired on 06/21/1994: 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
Shell Internationale Research Maatschappij B.V
NL
Inventors
B. M. (pessoa física)
J. B. (pessoa física)
IPC Classification
Priority claims
GB
14341/78 · 04/12/1978
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