Carta-patente expirada
#21.1
Patente extinta em 29/06/2009
12/26/2012
RPI 2190
Application data
Number
PI8903226Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. 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
G. R. (pessoa física)
GB
J. F. (pessoa física)
GB
IPC Classification
Priority claims
GB
8815423.2 · 06/29/1988
GB
8913461.3 · 06/12/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 29/06/2009
12/26/2012
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