Carta-patente expirada
#21.1
Patente extinta em 30/08/2009
12/26/2012
RPI 2190
Application data
Number
PI8904364Type
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
Columbian Chemicals Company
US
Inventors
W. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 30/08/2009
12/26/2012
RPI 2190
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06/01/1999
RPI 1482
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10/27/1998
RPI 1451
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04/07/1998
RPI 1424
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10/30/1990
RPI 1039
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04/17/1990
RPI 1014
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01/16/1990
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