14.4
05/26/1987
RPI 866
Application data
Number
PI8500589Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/26/1987. We update with every new RPI gazette, published weekly.
Applicants
ECC International Limited
GB
English Clays Lovering Pochin & Company Limited
Inventors
C. G. (pessoa física)
GB
T. J. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
05/26/1987
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#4.1
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 20/16; B01J 41/06; C09C 3/06.
03/27/2018
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