Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902390Type
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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
G. K. (pessoa física)
DE
J. C. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 102/02; C07D 265/28; C07C 103/58.
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