Concessão da patente
#16.1
06/02/1987
RPI 867
Application data
Number
PI8200810Type
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: 06/02/1987. 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
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
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12/09/1986
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08/27/1985
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#4.1
01/02/1985
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12/21/1982
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#2.1
04/06/1982
RPI 598
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 155/10; B01J 31/02; C07B 61/00; C07C 67/00; C07C 325/00; C07C 333/32; C07D 401/12; C08J 3/24; C08K 5/00; C08K 5/38; C08K 5/40; C08L 7/00; C08L 21/00; C07C 333/00; C07D 401/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 15/02/97
07/01/2008
RPI 1956
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