Carta-patente expirada
#21.1
Patente extinta em 08/02/2010
01/02/2013
RPI 2191
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Official data from INPI
SOLUÇÃO DE ISOTIAZOLONA APROPRIADA PARA USO NO TRATAMENTO CONTRA O MANCHAMENTO CAUSADO PELO CONTATO REPETIDO DA SEIVA COM A MADEIRA
Arquivada/ExtintaInvention Patent
Application data
Number
PI9000474Type
Invention Patent
Filing
02/02/1990
Publication
01/15/1991
Progress at the INPI
- Filing02/02/90
- Publication01/15/91
- Examination06/25/91
- Allowance09/08/99
- Grant02/08/00
- Expired01/02/13
The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rohm And Haas Company
US
Inventors
B. H. (pessoa física)
FR
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
02/08/2000
RPI 1518
Deferimento
#9.1
09/08/1999
RPI 1496
Exigência - art. 36 da LPI
#6.1
11/03/1998
RPI 1452
Exigência - art. 36 da LPI
#6.1
04/14/1998
RPI 1425
Exigência - art. 36 da LPI
#6.1
11/19/1996
RPI 1355
6.2
03/28/1995
RPI 1269
Solicitação de exame técnico
#4.1
06/25/1991
RPI 1073
Publicação do pedido de patente
#3.1
01/15/1991
RPI 1050
Pedido de patente depositado
#2.1
04/10/1990
RPI 1013
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