102
10/10/1989
RPI 990
The letters patent expired on 07/26/1994: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Nippon Soda Company, Limited.
JP
Inventors
A. N. (pessoa física)
JP
K. I. (pessoa física)
JP
K. K. (pessoa física)
JP
M. K. (pessoa física)
JP
M. M. (pessoa física)
JP
IPC Classification
Priority claims
JP
35236/1977 · 03/31/1977
JP
89940/1977 · 07/27/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
10/10/1989
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#12.3
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08/04/1987
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06/09/1987
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08/16/1983
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#6.1
12/14/1982
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#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: A01N 9/22; C07D 233/54.
03/27/2018
RPI 2464
#21.1
07/26/1994
RPI 1234
#16.1
03/26/1991
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12/26/1990
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#9.1
09/11/1990
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