Deferimento
#9.1
10/10/1989
RPI 990
Application data
Number
PI8306022Type
Filing
Publication
The patent was granted on 04/24/1990 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. F. (pessoa física)
GB
J. L. (pessoa física)
GB
IPC Classification
Priority claims
GB
8231444 · 11/03/1982
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