Carta-patente expirada
#21.1
Patente extinta em 13/07/2009
12/18/2012
RPI 2189
Application data
Number
PI8807847Type
Filing
Publication
PCT
US1988003536 The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, INC.
US
Atofina Chemicals, INC.
US
Elf Atochem North America, INC.
US
Inventors
H. W. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/07/2009
12/18/2012
RPI 2189
#25.4
Alterado de: Elf Atochem North America, Inc.
09/04/2001
RPI 1600
#25.7
Alterada sede conforme o solicitado na Pet./RJ no. 006597 de 09/02/2001
09/04/2001
RPI 1600
#25.11
Alterado de: Atochem North America, Inc. - Referência RPI 1593 de 17/07/2001, Cód. 25.4 - Ítem 74
08/14/2001
RPI 1597
#25.4
Alterado de: Atochem North America, Inc.
07/17/2001
RPI 1593
#16.1
07/13/1999
RPI 1488
#9.1
06/02/1998
RPI 1432
#6.1
09/09/1997
RPI 1397
#7.1
11/12/1996
RPI 1354
#4.1
03/23/1993
RPI 1164
#1.3
11/13/1990
RPI 1041
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.