Carta-patente expirada
#21.1
Patente extinta em 01/03/2014
02/24/2015
RPI 2303
Application data
Number
PI9400771Type
Filing
Publication
The letters patent expired on 02/24/2015: 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: 02/24/2015. We update with every new RPI gazette, published weekly.
Applicants
Ciba-Geigy AG
CH
Novartis AG (Novartis SA) (Novartis Inc.)
CH
Syngenta Participations AG
CH
Inventors
H. S. (pessoa física)
CH
U. S. (pessoa física)
CH
IPC Classification
Priority claims
GB
93 04191.1 · 03/02/1993
Abstract
Processo para a preparação de um meio aquoso de nicotinaldeído pela redução catalítica da 3-cianopiridina, sob hidrogênio, na presença de níquel Raney.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 01/03/2014
02/24/2015
RPI 2303
#25.1
Transferido de: Novartis AG (Novartis SA) (Novartis Inc.)
06/13/2006
RPI 1849
#15.11
Alterado da Int Cl5 C07D 213/48.
11/21/2000
RPI 1559
#16.1
08/24/1999
RPI 1494
#25.1
Transferido por incoporação de: Ciba-Geigy AG.
07/13/1999
RPI 1488
#9.1
03/23/1999
RPI 1472
#4.1
04/08/1997
RPI 1375
#3.1
10/11/1994
RPI 1245
#2.1
05/10/1994
RPI 1223
From the same holder
Same category
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