Notificação de entrada na fase nacional - PCT
#1.3
10/31/1989
RPI 993
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Official data from INPI
PROCESSO CONTÍNUO PARA A PRODUÇÃO DE ALDEÍDOS POR HIDROFORMILAÇÃO.
Arquivada/ExtintaInvention PatentPCT · GB1987000408
Application data
Number
PI8707736Type
Invention Patent
Filing
06/12/1987
Publication
10/31/1989
PCT
GB1987000408 Progress at the INPI
- Filing06/12/87
- Publication10/31/89
- Examination03/13/90
- Allowance11/11/97
- Grant11/24/98
- Expired12/05/12
The letters patent expired on 12/05/2012: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Davy McKee Limited
GB
Davy Process Technology Limited
GB
Inventors
A. D. (pessoa física)
GB
G. H. (pessoa física)
GB
Technical data
IPC Classification
Priority claims
GB
8616038 · 07/01/1986
GB
8705108 · 03/05/1987
GB
8706265 · 03/17/1987
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 24/11/2008
12/05/2012
RPI 2187
Concessão da patente
#16.1
11/24/1998
RPI 1455
Deferimento
#9.1
11/11/1997
RPI 1406
14.7
10/01/1996
RPI 1348
14.4
09/24/1996
RPI 1347
Exigência - art. 36 da LPI
#6.1
02/21/1995
RPI 1264
Solicitação de exame técnico
#4.1
03/13/1990
RPI 1009
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