Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8204109Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
M. P. (pessoa física)
NL
S. B. (pessoa física)
NL
S. S. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
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07/11/1989
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03/07/1989
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#4.1
08/20/1985
RPI 774
#3.1
07/05/1983
RPI 663
#2.1
08/31/1982
RPI 619
#21.1
Patente extinta em 15/07/97
07/01/2008
RPI 1956
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