Concessão da patente
#16.1
03/28/1989
RPI 962
The letters patent expired on 03/19/1996: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Huls America Inc.
US
Inventors
J. R. (pessoa física)
S. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/28/1989
RPI 962
#13.1
11/16/1988
RPI 943
#9.1
07/19/1988
RPI 926
#6.1
09/01/1987
RPI 880
#7.1
11/13/1984
RPI 734
01/10/1984
RPI 690
#4.1
07/20/1982
RPI 613
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09D 3/80; C08K 3/00; C08L 7/00; C08L 21/00; C08L 25/00; C08L 33/00; C08L 33/02; C08L 33/04; C09B 67/20; C09B 67/46; C09D 7/00; C09D 7/12; C09D 17/00; C09B 67/00.
03/27/2018
RPI 2464
#21.1
03/19/1996
RPI 1320
#20.1
07/24/1990
RPI 1025
From the same holder
Same category
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