Concessão da patente
#16.1
08/27/1985
RPI 775
The letters patent expired on 12/14/1993: 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: 08/27/1985. We update with every new RPI gazette, published weekly.
Applicants
DEGUSSA
HENKEL KGAA
Inventors
J. G. (pessoa física)
P. B. (pessoa física)
W. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/27/1985
RPI 775
#13.1
07/30/1985
RPI 771
#9.1
04/09/1985
RPI 755
#6.1
06/05/1984
RPI 711
#6.1
07/20/1982
RPI 613
#4.1
12/29/1981
RPI 584
#21.1
12/14/1993
RPI 1202
From the same holder
Same category
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