Carta-patente expirada
#21.1
Patente extinta em 08/02/2010
12/26/2012
RPI 2190
Application data
Number
PI8903741Type
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
Inventors
G. J. (pessoa física)
US
T. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 08/02/2010
12/26/2012
RPI 2190
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02/08/2000
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Alterada de Int. Cl. 6, C01G 23/047
08/24/1999
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08/24/1999
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12/01/1998
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