Concessão da patente
#16.1
03/25/1986
RPI 805
The letters patent expired on 04/04/1995: 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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants
Akzo N.V.
NL
Inventors
B. H. (pessoa física)
H. W. (pessoa física)
M. A. (pessoa física)
IPC Classification
Priority claims
DE
P:. 28 25 962.3 · 06/14/1978
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/25/1986
RPI 805
#13.1
12/10/1985
RPI 790
#9.1
08/06/1985
RPI 772
#15.11
04/30/1985
RPI 758
#6.1
08/07/1984
RPI 720
#6.1
01/10/1984
RPI 690
08/10/1982
RPI 616
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B29C 1/04; C08L 35/00; C08J 5/16; C08L 27/06; C10M 107/42; C08L 27/00; C10M 107/00.
03/27/2018
RPI 2464
#21.1
04/04/1995
RPI 1270
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.