Cessão de direito de exploração
#22.1
09/09/1986
RPI 829
The letters patent expired on 11/30/1993: 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: 09/09/1986. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
H. H. (pessoa física)
S. L. (pessoa física)
S. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
09/09/1986
RPI 829
#16.1
10/30/1984
RPI 732
#13.1
08/21/1984
RPI 722
#9.1
04/24/1984
RPI 705
#6.1
09/06/1983
RPI 672
#4.1
12/14/1982
RPI 634
10/05/1982
RPI 624
#11.1
08/10/1982
RPI 616
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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