Carta-patente expirada
#21.1
Patente extinta em 18/12/2002
07/29/2008
RPI 1960
Application data
Number
PI8707971Type
Filing
Publication
PCT
EP1987000821 The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
H. O. (pessoa física)
JP
M. N. (pessoa física)
JP
T. M. (pessoa física)
JP
Y. I. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/12/2002
07/29/2008
RPI 1960
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