Publicação do pedido de patente
#3.1
10/17/1989
RPI 991
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Official data from INPI
PROCESSOS PARA A PRODUÇÃO DE 2-(1-ALQUILAMINOALQUIL) -3-HIDRÓXI-1, 4-NAFTOQUINONA, 2-(1-ALQUENIL) -3-HIDRÓXI-1 ,4-NAFTOQUINONA E 2-ALQUIL -3- ACILÓXI-1, 4-NAFTOQUINONA
PublicadaInvention Patent
Application data
Number
PI8900794Type
Invention Patent
Filing
02/22/1989
Publication
10/17/1989
Progress at the INPI
- Filing02/22/89
- Publication10/17/89
- Examination08/14/90
- Allowance04/09/96
- Grant03/25/97
- Expired12/15/09
The letters patent expired on 12/15/2009: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Kawasaki Kasei Chemicals Ltd
JP
Inventors
H. F. (pessoa física)
JP
H. S. (pessoa física)
JP
Technical data
IPC Classification
Priority claims
JP
115055/1988 · 05/12/1988
JP
41755/1988 · 02/23/1988
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
04/11/1989
RPI 964
Carta-patente expirada
#21.1
Patente extinta em 22/02/2004
12/15/2009
RPI 2032
16.3
Referência: RPI 1373 de 25.03.1997@Apostilada a Carta Patente com ressalva no Artigo 9º alínea (c) do CPI
12/15/1998
RPI 1458
Concessão da patente
#16.1
03/25/1997
RPI 1373
Deferimento
#9.1
04/09/1996
RPI 1323
Exigência - art. 36 da LPI
#6.1
06/27/1995
RPI 1282
Solicitação de exame técnico
#4.1
08/14/1990
RPI 1028
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