Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 04/18/1995: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
SOLVAY
Inventors
B. L. (pessoa física)
N. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/17/1987
RPI 856
01/21/1987
RPI 848
06/17/1986
RPI 817
#12.2
05/15/1984
RPI 708
#9.2
01/31/1984
RPI 693
#7.1
11/30/1982
RPI 632
#4.1
04/27/1982
RPI 601
#21.1
04/18/1995
RPI 1272
From the same holder
Same category
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