Concessão da patente
#16.1
06/27/1989
RPI 975
Application data
Number
PI8301678Type
Filing
Publication
The patent was granted on 06/27/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
B. S. (pessoa física)
H. T. (pessoa física)
IPC Classification
Priority claims
GB
8209786 · 04/02/1982
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