Carta-patente expirada
#21.1
Patente extinta em 25/09/2010
05/21/2013
RPI 2211
Application data
Number
PI9004790Type
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
Wacker-Chemie GmbH
DE
Inventors
H. S. (pessoa física)
DE
K. B. (pessoa física)
DE
M. W. (pessoa física)
DE
R. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 39 32 025.1 · 09/26/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 25/09/2010
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