Pedido de patente depositado
#2.1
10/25/1988
RPI 940
Application data
Number
PI8802422Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
Elf Atochem S.A.
FR
R. C. (pessoa física)
US
Inventors
D. D. (pessoa física)
US
J. W. (pessoa física)
US
N. B. (pessoa física)
US
W. W. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/25/1988
RPI 940
#21.1
Patente extinta em 02/10/2011
12/11/2012
RPI 2188
#16.1
10/02/2001
RPI 1604
#9.1
07/24/2001
RPI 1594
#6.1
02/13/2001
RPI 1571
#25.1
Transferido de: Rohm And Haas Credit Corporation.
10/03/2000
RPI 1552
#25.11
Transferido de: Rohm And Haas Company. @Referência 1545 de 15/08/2000 - cód. 25.1 item (71)
09/05/2000
RPI 1548
#25.1
Transferido de: And Haas Company
08/15/2000
RPI 1545
#7.1
06/13/1995
RPI 1280
#4.1
10/15/1991
RPI 1089
#3.1
01/02/1990
RPI 1000
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