Carta-patente expirada
#21.1
Patente extinta em 24/10/2000
07/01/2008
RPI 1956
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: 07/01/2008. We update with every new RPI gazette, published weekly.
Applicants
Adiquima Indústria e Comércio de Aditivos Ltda.
SP, BR
Inventors
A. N. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 24/10/2000
07/01/2008
RPI 1956
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03/26/1996
RPI 1321
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10/10/1995
RPI 1297
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05/30/1995
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11/22/1994
RPI 1251
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01/28/1992
RPI 1104
#3.2
08/06/1991
RPI 1079
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05/07/1991
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