Carta-patente expirada
#21.1
Patente extinte em 19/08/2011
06/04/2013
RPI 2213
Application data
Number
PI9103554Type
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
Nalco Chemical Company
US
Nalco Company
US
ONDEO Nalco Company
US
Inventors
D. F. (pessoa física)
US
J. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinte em 19/08/2011
06/04/2013
RPI 2213
#25.4
Alterado de: ONDEO Nalco Company
12/13/2005
RPI 1823
#25.7
Alterada a sede do Titular conforme solicitado na Petição nº 057677/RJ de 02/12/2004.
12/13/2005
RPI 1823
#25.4
Alterado de: Nalco Chemical Company
11/29/2005
RPI 1821
#25.7
Sede alterada conforme solicitado na Petição nº 057677/RJ de 02/12/2004.
11/29/2005
RPI 1821
#16.1
07/11/2000
RPI 1540
#15.11
Alterada a classificação para Int. Cl.6 C08F 8/32 e C08F 8/34.
02/22/2000
RPI 1520
#9.1
02/22/2000
RPI 1520
#6.1
09/08/1999
RPI 1496
#6.1
12/01/1998
RPI 1456
#4.1
05/10/1994
RPI 1223
#3.1
05/12/1992
RPI 1119
#2.1
09/24/1991
RPI 1086
From the same holder
Same category
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