Publicação do pedido de patente
#3.1
06/21/1988
RPI 922
Application data
Number
PI8706147Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
Elf Atochem S.A.
FR
Rohm And Haas Company
US
Rohm and Haas Credit Corporation Company
US
Inventors
J. W. (pessoa física)
US
W. W. (pessoa física)
US
IPC Classification
Priority claims
US
932.133 · 11/18/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
06/21/1988
RPI 922
#2.1
03/01/1988
RPI 906
#21.1
Patente extinta em 16/11/2002
07/29/2008
RPI 1960
#25.1
Transferido de: Rohm and Haas Credit Corporation
04/10/2001
RPI 1579
#25.11
Transferido de: Rohm and Haas Company. Ref. RPI 1572 de 20/02/2001. Cód. 25.1, item (71)
03/20/2001
RPI 1576
#25.1
Transferido de Rohm and Haas Company.
02/20/2001
RPI 1572
#16.1
05/31/1994
RPI 1226
#9.1
10/26/1993
RPI 1195
#6.1
06/02/1992
RPI 1122
#4.1
09/18/1990
RPI 1033
From the same holder
Same category
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