Carta-patente expirada
#21.1
PATENTE EXTINTA EM 17.04.2022
06/14/2022
RPI 2684
Application data
Number
PI0117316Type
Filing
Publication
PCT
US2001021230 The letters patent expired on 06/14/2022: 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: 06/14/2022. We update with every new RPI gazette, published weekly.
Applicants
Ondeo Nalco Energy Services, L.P.
US
Inventors
N. P. (pessoa física)
US
R. G. (pessoa física)
US
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
PATENTE EXTINTA EM 17.04.2022
06/14/2022
RPI 2684
#16.1
04/17/2012
RPI 2154
#9.1
05/24/2011
RPI 2107
#2.4
Notificação da entrada da Fase Nacional (1.3):RPI 1665 (03/12/2002); Exigência técnica (6.1): RPI 2060 (29/06/2010)
01/25/2011
RPI 2090
From the same holder
Same category
Patent monitoring
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