Carta-patente expirada
#21.1
Patente extinta em 14/11/2009
12/26/2012
RPI 2190
Application data
Number
PI8907193Type
Filing
Publication
PCT
FR1989000584 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
Societe Nationale Elf Aquitaine (Production)
FR
Inventors
C. B. (pessoa física)
FR
H. P. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/11/2009
12/26/2012
RPI 2190
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12/29/1998
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08/11/1998
RPI 1442
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10/01/1996
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09/10/1991
RPI 1084
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03/05/1991
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