Solicitação de exame técnico
#4.1
02/17/1988
RPI 904
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Official data from INPI
SOLUÇÃO ESTABILIZADA CONTENDO UMA ISOTIAZOLONA
Em AnáliseInvention Patent
Application data
Number
PI8503078Type
Invention Patent
Filing
06/26/1985
Publication
03/11/1986
Progress at the INPI
- Filing06/26/85
- Publication03/11/86
- Examination02/17/88
- Allowance10/08/91
- Grant06/30/92
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rohm And Haas Company
US
Inventors
D. A. (pessoa física)
US
E. W. (pessoa física)
US
S. M. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
740.375 · 06/03/1985
US
8416314 · 06/27/1984
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
03/11/1986
RPI 803
Pedido de patente depositado
#2.1
09/10/1985
RPI 777
Carta-patente expirada
#21.1
Patente extinta em 26/06/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
06/30/1992
RPI 1126
Notificação para pagamento de retribuição
#13.1
02/11/1992
RPI 1106
Deferimento
#9.1
10/08/1991
RPI 1088
Exigência - art. 36 da LPI
#6.1
01/02/1991
RPI 1048
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