Deferimento
#9.1
09/05/1989
RPI 985
Application data
Number
PI8304974Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
M. A. (pessoa física)
GB
IPC Classification
Priority claims
GB
8226386 · 09/16/1982
GB
8307919 · 03/22/1983
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