Concessão da patente
#16.1
09/25/1984
RPI 727
The letters patent expired on 11/30/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
Akzo N.V.
NL
Inventors
A. M. (pessoa física)
H. B. (pessoa física)
K. F. (pessoa física)
W. (pessoa física)
IPC Classification
Priority claims
DE
P: 27 27 329.6 · 06/16/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/25/1984
RPI 727
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08F 8/14; C10M 3/22; C08L 23/00; C08L 23/26; C08L 33/00; C08L 33/02; C08L 101/00.
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