Publicação do pedido de patente
#3.1
10/31/1989
RPI 993
Application data
Number
PI8901078Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
C. V. (pessoa física)
NL
H. D. (pessoa física)
NL
H. A. (pessoa física)
NL
J. W. (pessoa física)
NL
P. B. (pessoa física)
NL
R. E. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/31/1989
RPI 993
#2.1
04/25/1989
RPI 966
#21.1
Patente extinta em 08/03/2004
12/15/2009
RPI 2032
#16.1
12/26/1995
RPI 1308
#13.1
10/31/1995
RPI 1300
#15.11
07/18/1995
RPI 1285
#9.1
06/20/1995
RPI 1281
#6.1
12/06/1994
RPI 1253
#4.1
11/05/1991
RPI 1092
From the same holder
Same category
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