Carta-patente expirada
#21.1
Patente extinta em 26/12/2010
01/22/2013
RPI 2194
Application data
Number
PI9003770Type
Filing
Publication
The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
G. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 26/12/2010
01/22/2013
RPI 2194
#16.1
12/26/2000
RPI 1564
#15.11
Alterada a classificação para Int. Cl. 6 C08J 9/12.
08/15/2000
RPI 1545
#9.1
08/15/2000
RPI 1545
#6.1
05/04/1999
RPI 1478
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09/16/1997
RPI 1398
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09/21/1993
RPI 1190
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09/03/1991
RPI 1083
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02/05/1991
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