22.6
05/14/1985
RPI 760
The patent was granted on 08/30/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/14/1985. We update with every new RPI gazette, published weekly.
Applicants
RUHRCHEMIE AG
Inventors
C. B. (pessoa física)
K. W. (pessoa física)
N. H. (pessoa física)
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/14/1985
RPI 760
#22.1
04/02/1985
RPI 754
#16.1
08/30/1983
RPI 671
#13.1
06/14/1983
RPI 660
#9.1
02/16/1983
RPI 643
#6.1
07/20/1982
RPI 613
12/01/1981
RPI 580
07/06/1993
RPI 1179
#21.1
06/29/1993
RPI 1178
From the same holder
Same category
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