Solicitação de exame técnico
#4.1
09/27/1988
RPI 936
Application data
Number
PI8506003Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
J. H. (pessoa física)
BE
IPC Classification
Priority claims
GB
84 30223 · 11/30/1984
GB
84 30224 · 11/30/1984
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