Pedido de patente depositado
#2.1
10/10/1989
RPI 990
Application data
Number
PI8903488Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Solvay & Cie
BE
Inventors
F. J. (pessoa física)
BE
J. F. (pessoa física)
BE
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/10/1989
RPI 990
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 213/61; C07C 147/02.
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RPI 2463
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12/22/2009
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