16.3
06/19/1984
RPI 713
The letters patent expired on 09/21/1993: 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: 06/19/1984. We update with every new RPI gazette, published weekly.
Applicants
M & T CHEMICALS INC
Inventors
L. W. (pessoa física)
T. I. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
06/19/1984
RPI 713
#16.1
03/27/1984
RPI 701
#13.1
01/17/1984
RPI 691
#9.1
09/27/1983
RPI 675
#6.1
11/03/1982
RPI 628
#6.1
02/09/1982
RPI 590
#21.1
09/21/1993
RPI 1190
10/15/1991
RPI 1089
#20.1
10/08/1991
RPI 1088
From the same holder
Same category
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