Carta-patente expirada
#21.1
Patente extinta em 01/04/2011
06/04/2013
RPI 2213
Application data
Number
PI9101283Type
Filing
Publication
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants
BP Chemicals (Additives) Limited
GB
Lubrizol Adibis Holdings (UK) Limited
US
Inventors
A. P. (pessoa física)
GB
S. O. (pessoa física)
GB
S. C. (pessoa física)
GB
IPC Classification
Priority claims
GB
9007314.9 · 03/31/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 01/04/2011
06/04/2013
RPI 2213
#25.4
Alterado de: BP Chemicals ( Additives ) Limited
04/25/2000
RPI 1529
#16.1
02/22/2000
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08/24/1999
RPI 1494
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01/26/1999
RPI 1464
#4.1
12/28/1993
RPI 1204
#3.1
11/05/1991
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09/17/1991
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