Carta-patente expirada
#21.1
Patente extinta em 04/11/2008
12/18/2012
RPI 2189
Application data
Number
PI8807752Type
Filing
Publication
PCT
US1988003945 The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
R. K. (pessoa física)
US
R. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 04/11/2008
12/18/2012
RPI 2189
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RPI 1413
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05/27/1997
RPI 1382
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10/01/1996
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08/27/1991
RPI 1082
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