Carta-patente expirada
#21.1
Patente extinta em 25/09/2010
05/21/2013
RPI 2211
Application data
Number
PI9004787Type
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
Celanese Chemicals Europe GmbH
DE
Celanese GMBH
DE
H. A. (pessoa física)
DE
Oxea GmbH
DE
Inventors
D. F. (pessoa física)
DE
D. H. (pessoa física)
DE
H. L. (pessoa física)
DE
W. Z. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 39 32 331.5 · 09/28/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 25/09/2010
05/21/2013
RPI 2211
#25.1
Transferido de: Celanese Chemicals Europe GmbH
11/03/2010
RPI 2078
#25.7
Sede alterada conforme solicitado na Petição nº 020090021056/RJ de 04/03/2009.
10/13/2010
RPI 2075
#25.4
Alterado de: Celanese Gmbh (DE)
06/26/2001
RPI 1590
#25.1
Transferido de: Hoechst Aktiengesellschaft.
08/24/1999
RPI 1494
#16.1
06/29/1999
RPI 1486
#9.1
09/15/1998
RPI 1447
#6.1
11/18/1997
RPI 1407
#4.1
12/10/1991
RPI 1097
#3.1
09/10/1991
RPI 1084
#2.1
03/26/1991
RPI 1060
From the same holder
Same category
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