Carta-patente expirada
#21.1
Patente extinta em 14/01/2011
05/28/2013
RPI 2212
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Official data from INPI
PROCESSO PARA OBTER UMA COMPOSIÇÃO POLIMÉRICA DE REVESTIMENTO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9100142Type
Invention Patent
Filing
01/14/1991
Publication
10/22/1991
Progress at the INPI
- Filing01/14/91
- Publication10/22/91
- Examination01/18/94
- Allowance05/25/99
- Grant11/16/99
- Expired05/28/13
The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rohm And Haas Company
US
Inventors
H. K. (pessoa física)
US
J. O. (pessoa física)
US
R. G. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/16/1999
RPI 1506
Deferimento
#9.1
05/25/1999
RPI 1481
Exigência - art. 36 da LPI
#6.1
11/03/1998
RPI 1452
Exigência - art. 36 da LPI
#6.1
05/12/1998
RPI 1429
Solicitação de exame técnico
#4.1
01/18/1994
RPI 1207
Publicação do pedido de patente
#3.1
10/22/1991
RPI 1090
Pedido de patente depositado
#2.1
07/30/1991
RPI 1078
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