Carta-patente expirada
#21.1
Patente extinta em 07/01/2013
05/21/2013
RPI 2211
Application data
Number
PI9002596Type
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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont De Nemours And Company
US
Union Carbide Chemicals And Plastics Company Inc.
US
Inventors
R. G. (pessoa física)
US
W. B. (pessoa física)
US
IPC Classification
Priority claims
US
360.984 · 06/02/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/01/2013
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