Cessão de direito de exploração
#22.1
08/12/1986
RPI 825
The letters patent expired on 07/27/1993: 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: 08/12/1986. We update with every new RPI gazette, published weekly.
Applicants
UNION CARBIDE CORP
Inventors
F. P. (pessoa física)
S. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
08/12/1986
RPI 825
#16.1
07/26/1983
RPI 666
#13.1
06/07/1983
RPI 659
#9.1
02/08/1983
RPI 642
#6.1
12/01/1981
RPI 580
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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