Concessão da patente
#16.1
10/24/1989
RPI 992
The letters patent expired on 04/25/1995: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
A. M. (pessoa física)
US
M. R. (pessoa física)
US
S. T. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
08/22/1989
RPI 983
#9.1
04/25/1989
RPI 966
#7.1
08/16/1983
RPI 669
#4.1
08/03/1982
RPI 615
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 147/05; C09K 11/14.
03/27/2018
RPI 2464
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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