Carta-patente expirada
#21.1
Patente extinta em 31/10/2009
05/21/2013
RPI 2211
Application data
Number
PI8905564Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
Nalco Chemical Company
US
Nalco Company
US
Ondeo Nalco Company
US
Inventors
A. G. (pessoa física)
US
J. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 31/10/2009
05/21/2013
RPI 2211
#25.4
Alterado de: ONDEO Nalco Company
12/06/2005
RPI 1822
#25.7
Sede alterada conforme solicitado na Petição nº 057717/RJ de 02/12/2004.
12/06/2005
RPI 1822
#25.4
Alterado de: Nalco Chemical Company
11/22/2005
RPI 1820
#25.7
Sede alterada conforme solicitado na Petição nº 057717/RJ de 02/12/2004.
11/22/2005
RPI 1820
#16.1
08/26/1997
RPI 1395
#13.1
05/06/1997
RPI 1379
#9.1
12/31/1996
RPI 1361
03/12/1996
RPI 1319
#4.1
11/12/1991
RPI 1093
#3.1
05/29/1990
RPI 1020
#2.1
03/01/1990
RPI 1007
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