Concessão da patente
#16.1
06/02/1987
RPI 867
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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
DEGUSSA
HENKEL KGAA
Inventors
K. D. (pessoa física)
P. E. (pessoa física)
R. W. (pessoa física)
S. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
#13.1
12/23/1986
RPI 844
#9.1
09/02/1986
RPI 828
#6.1
04/30/1985
RPI 758
11/08/1983
RPI 681
11/01/1983
RPI 680
03/30/1982
RPI 597
#6.1
12/01/1981
RPI 580
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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