Pedido de patente depositado
#2.1
11/07/1989
RPI 994
Application data
Number
PI8903662Type
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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. DU Pont de Nemours And Company
US
Imperial Chemical Industries Plc.
GB
Inventors
C. H. (pessoa física)
GB
IPC Classification
Priority claims
GB
8817663.1 · 07/25/1988
GB
8915518.8 · 07/06/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/07/1989
RPI 994
#21.1
Patente extinta em 24/07/2009
05/21/2013
RPI 2211
#25.1
Transferido de: Imperial Chemical Industries PLC
05/11/1999
RPI 1479
#16.1
08/26/1997
RPI 1395
#9.1
12/24/1996
RPI 1360
#6.1
04/30/1996
RPI 1326
#4.1
03/24/1992
RPI 1112
#3.1
03/13/1990
RPI 1009
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