Publicação do pedido de patente
#3.1
04/12/1988
RPI 912
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Official data from INPI
PROCESSO PARA A PREPARAÇÃO DE UM CORANTE REATIVO SOLÚVEL EM ÁGUA, E, MISTURA DE CORANTES REATIVOS
PublicadaInvention Patent
Application data
Number
PI8704227Type
Invention Patent
Filing
08/14/1987
Publication
04/12/1988
Progress at the INPI
- Filing08/14/87
- Publication04/12/88
- Examination09/11/90
- Allowance08/15/95
- Grant03/26/96
- Expired07/29/08
The letters patent expired on 07/29/2008: 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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
ICI Limited
CN
Imperial Chemical Industries Plc.
GB
Zeneca Limited
GB
Inventors
C. Y. (pessoa física)
CN
D. P. (pessoa física)
GB
G. E. (pessoa física)
CN
J. T. (pessoa física)
GB
Technical data
IPC Classification
Priority claims
GB
8619914 · 08/15/1986
GB
8715878 · 07/06/1987
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
11/17/1987
RPI 891
Carta-patente expirada
#21.1
Patente extinta em 14/08/2002
07/29/2008
RPI 1960
Transferência deferida
#25.1
12/30/1997
RPI 1410
Concessão da patente
#16.1
03/26/1996
RPI 1321
Deferimento
#9.1
08/15/1995
RPI 1289
Exigência - art. 36 da LPI
#6.1
02/14/1995
RPI 1263
Exigência - art. 36 da LPI
#6.1
07/20/1993
RPI 1181
Solicitação de exame técnico
#4.1
09/11/1990
RPI 1032
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