Publicação do pedido de patente
#3.1
02/28/1989
RPI 958
Application data
Number
PI8803909Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Petrole
FR
Inventors
A. P. (pessoa física)
FR
P. M. (pessoa física)
FR
IPC Classification
Priority claims
FR
87/11.252 · 08/06/1987
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