102
10/31/1989
RPI 993
The letters patent expired on 05/16/1995: 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
Takeda Chemical Industries, Ltd.
JP
Inventors
Y. S. (pessoa física)
JP
Y. O. (pessoa física)
JP
IPC Classification
Priority claims
JP
38957/79 · 03/30/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
#12.3
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08/31/1982
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07F 9/65; A01N 57/08; A01N 57/16.
03/27/2018
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05/16/1995
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08/28/1990
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