111
11/21/1989
RPI 996
The application was refused on 11/21/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Chemische Werke Huls Ag.
DE
Inventors
No inventors listed.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/21/1989
RPI 996
#12.2
08/20/1985
RPI 774
#9.2
05/07/1985
RPI 759
#5.1
01/11/1983
RPI 638
#4.1
07/13/1982
RPI 612
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 103/34; A01N 35/02.
03/27/2018
RPI 2464
From the same holder
Same category
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