102
10/31/1989
RPI 993
The letters patent expired on 04/25/1995: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
H. O. (pessoa física)
JP
H. M. (pessoa física)
JP
O. K. (pessoa física)
JP
S. H. (pessoa física)
JP
IPC Classification
Priority claims
JP
115588/1978 · 09/19/1978
JP
139069/1978 · 11/10/1978
JP
140800/1978 · 11/14/1978
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
#12.3
07/05/1988
RPI 924
03/08/1988
RPI 907
#6.1
09/08/1987
RPI 881
#15.11
09/25/1984
RPI 727
#6.1
05/02/1984
RPI 706
#6.1
11/01/1983
RPI 680
#4.1
05/18/1982
RPI 604
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 103/375; A01N 37/18.
03/27/2018
RPI 2464
#21.1
04/25/1995
RPI 1273
#16.1
08/28/1990
RPI 1030
#13.1
06/19/1990
RPI 1023
#9.1
03/01/1990
RPI 1007
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