Solicitação de exame técnico
#4.1
12/08/1987
RPI 894
Application data
Number
PI8506089Type
Filing
Publication
The patent was granted on 08/31/1993 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: 12/08/1987. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Petrole
FR
Inventors
J. R. (pessoa física)
FR
R. B. (pessoa física)
FR
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