Concessão da patente
#16.1
08/28/1984
RPI 723
The letters patent expired on 11/07/1995: 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, Inc.
US
Inventors
K. R. (pessoa física)
M. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/28/1984
RPI 723
#13.1
05/15/1984
RPI 708
#15.11
02/21/1984
RPI 696
#9.1
01/31/1984
RPI 693
#4.1
04/12/1983
RPI 651
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C07C 179/06.
03/27/2018
RPI 2464
#21.1
11/07/1995
RPI 1301
10/15/1991
RPI 1089
From the same holder
Same category
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