Carta-patente expirada
#21.1
Patente extinta em 07/04/2003
09/02/2008
RPI 1965
Application data
Number
PI8807474Type
Filing
Publication
PCT
EP1988000285 The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.
Applicants
Chemische Fabrik Pfersee Gmbh
DE
Inventors
D. C. (pessoa física)
DE
G. T. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 37 13 789.1 · 04/24/1987
DE
P 37 23 697.0 · 07/17/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/04/2003
09/02/2008
RPI 1965
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