Carta-patente expirada
#21.1
Patente extinta em 10/08/2010
01/29/2013
RPI 2195
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Official data from INPI
COMPOSIÇÃO DETERGENTE, E, PROCESSO PARA PREPARARAÇÃO DE POLÍMEROS SOLÚVEIS EM ÁGUA.
Arquivada/ExtintaInvention Patent
Application data
Number
PI9003959Type
Invention Patent
Filing
08/10/1990
Publication
11/12/1991
Progress at the INPI
- Filing08/10/90
- Publication11/12/91
- Examination03/01/94
- Allowance03/23/99
- Grant07/27/99
- Expired01/29/13
The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rohm And Haas Company
US
Inventors
G. S. (pessoa física)
US
K. H. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
07/27/1999
RPI 1490
Deferimento
#9.1
03/23/1999
RPI 1472
Exigência - art. 36 da LPI
#6.1
05/12/1998
RPI 1429
Exigência - art. 36 da LPI
#6.1
01/28/1997
RPI 1365
Solicitação de exame técnico
#4.1
03/01/1994
RPI 1213
Publicação do pedido de patente
#3.1
11/12/1991
RPI 1093
Pedido de patente depositado
#2.1
02/19/1991
RPI 1055
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