Exigência - art. 36 da LPI
#6.1
10/31/1989
RPI 993
Application data
Number
PI8402326Type
Filing
Publication
The letters patent expired on 07/08/2008: 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
E. N. (pessoa física)
JP
H. M. (pessoa física)
JP
K. K. (pessoa física)
JP
R. Y. (pessoa física)
JP
S. H. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/31/1989
RPI 993
#4.1
06/17/1986
RPI 817
#3.1
12/26/1984
RPI 740
#2.1
07/31/1984
RPI 719
#21.1
Patente extinta em 16/05/99
07/08/2008
RPI 1957
#16.1
11/27/1990
RPI 1043
#13.1
10/02/1990
RPI 1035
#9.1
06/19/1990
RPI 1023
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