Concessão da patente
#16.1
07/25/1989
RPI 979
Application data
Number
PI8208005Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
S. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
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12/27/1988
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02/26/1985
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10/18/1983
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Patente extinta em 19/11/97
07/01/2008
RPI 1956
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Same category
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