Carta-patente expirada
#21.1
Patente extinta em 04/08/2003
09/02/2008
RPI 1965
Application data
Number
PI8807642Type
Filing
Publication
PCT
US1988002654 The letters patent expired on 09/02/2008: 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: 09/02/2008. 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
M & T Chemicals, Inc
US
P. C. (pessoa física)
US
Inventors
C. M. (pessoa física)
US
IPC Classification
Priority claims
US
082.011 · 08/05/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 04/08/2003
09/02/2008
RPI 1965
#25.4
Alterado de: Elf Atochem Noth America, Inc.
05/25/2004
RPI 1742
#25.4
Alterado de: Atochem North America, Inc.
05/04/2004
RPI 1739
#25.11
Referente a RPI 1736 de 13/04/2004 - Item despacho, onde se lê transferido de: leia-se Alterado de:.
04/20/2004
RPI 1737
#25.4
Transferido de: Pennwalt Corporation
04/13/2004
RPI 1736
#25.1
Transferido de: M & T Chemicals, Inc.
02/25/2004
RPI 1729
#16.1
03/26/1996
RPI 1321
#13.1
08/29/1995
RPI 1291
#9.1
03/14/1995
RPI 1267
#4.1
12/04/1990
RPI 1044
#1.3
06/12/1990
RPI 1022
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