Pedido de patente depositado
#2.1
07/25/1989
RPI 979
Application data
Number
PI8902867Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
BP Chemicals (Additives) Limited
GB
Lubrizol Adibis Holdings (UK) Limited
GB
Inventors
C. C. (pessoa física)
GB
S. O. (pessoa física)
GB
IPC Classification
Priority claims
GB
8814013.2 · 06/14/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/25/1989
RPI 979
#21.1
Patente extinta em 14/06/2009
12/26/2012
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Alterado de: BP Chemicals (Additives) Limited
02/13/2001
RPI 1571
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Alterado a sede conforme pedido na petição 012859/RJ de 13/04/2000
02/13/2001
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