Solicitação de exame técnico
#4.1
06/27/1989
RPI 975
Application data
Number
PI8707506Type
Filing
Publication
PCT
EP1987000585 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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
Wnc-Nitrochemie Gmbh
DE
Inventors
G. N. (pessoa física)
H. P. (pessoa física)
J. K. (pessoa física)
W. H. (pessoa física)
W. M. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/27/1989
RPI 975
#1.3
02/21/1989
RPI 957
#21.1
Patente extinta em 08/10/2002
07/29/2008
RPI 1960
#16.1
07/27/1993
RPI 1182
#13.1
05/11/1993
RPI 1171
#9.1
01/26/1993
RPI 1156
#6.1
05/19/1992
RPI 1120
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