Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8302169Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Borden Limited
GB
Inventors
J. S. (pessoa física)
GB
P. L. (pessoa física)
GB
IPC Classification
Priority claims
GB
82/12179 · 04/27/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21F 11/14; D21H 1/40; B01D 39/18.
03/27/2018
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Patente extinta em 27/04/98
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