Carta-patente expirada
#21.1
Patente extinta em 29/11/2003
09/02/2008
RPI 1965
Application data
Number
PI8807840Type
Filing
Publication
PCT
EP1988001081 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
Clariant GMBH
DE
H. A. (pessoa física)
DE
Inventors
W. R. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 37 42 044.5 · 12/11/1987
DE
P 38 22 231.0 · 07/01/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 29/11/2003
09/02/2008
RPI 1965
#25.1
Transferido de: Hoechst Aktiengesellschaft
07/31/2001
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03/26/1996
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11/28/1995
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