Concessão da patente
#16.1
07/31/1984
RPI 719
The letters patent expired on 09/12/1995: 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: 07/31/1984. We update with every new RPI gazette, published weekly.
Applicants
Oxiteno S/A Industria e Comércio
SP, BR
Inventors
B. G. (pessoa física)
C. A. (pessoa física)
G. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/31/1984
RPI 719
#13.1
05/02/1984
RPI 706
#9.1
01/10/1984
RPI 690
10/11/1983
RPI 677
#6.1
03/15/1983
RPI 647
#4.1
03/02/1982
RPI 593
#21.1
09/12/1995
RPI 1293
From the same holder
Same category
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