20.4
05/29/1984
RPI 710
The patent was granted on 09/27/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
Degussa Ag.
DE
Inventors
F. W. (pessoa física)
G. G. (pessoa física)
G. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/29/1984
RPI 710
#16.1
09/27/1983
RPI 675
#13.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
#4.1
04/27/1982
RPI 601
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 119/042; C07C 118/00; C07C 265/00; C07C 265/04; C07C 263/00.
03/20/2018
RPI 2463
#18.2
07/27/1993
RPI 1182
From the same holder
Same category
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