Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8903581Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 11/28/1989. 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
D. B. (pessoa física)
GB
G. R. (pessoa física)
GB
J. F. (pessoa física)
GB
IPC Classification
Priority claims
GB
88 17221.8 · 07/20/1988
GB
89 14978.5 · 06/29/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 19/07/2004
12/22/2009
RPI 2033
#25.1
Transferido de: Imperial Chemical Industries PLC
05/04/1999
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04/29/1997
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03/11/1997
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