Concessão da patente
#16.1
02/03/1987
RPI 850
Application data
Number
PI8201857Type
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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
Akzo N.V.
NL
Inventors
H. Z. (pessoa física)
DE
L. E. (pessoa física)
DE
M. B. (pessoa física)
DE
Priority claims
DE
P 31 13 298.7 · 04/02/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
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RPI 749
#3.1
03/01/1983
RPI 645
#2.1
05/25/1982
RPI 605
#21.1
Patente extinta em 01/04/97
07/01/2008
RPI 1956
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