Carta-patente expirada
#21.1
Patente extinta em 07/06/2011
06/04/2013
RPI 2213
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Official data from INPI
PROCESSO PARA DESAGREGAÇÃO DE MINÉRIO DE BORONATROCALCITA EM UM MEIO ALCALINO PARA A PRODUÇÃO DE BORATO DE SÓDIO E BORATO DE CÁLCIO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9102381Type
Invention Patent
Filing
06/07/1991
Publication
01/14/1992
Progress at the INPI
- Filing06/07/91
- Publication01/14/92
- Examination03/08/94
- Allowance02/17/99
- Grant08/24/99
- Expired06/04/13
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Bitossi Dianella S.p.A.
IT
Colorobbia Italia S.p.A.
IT
Inventors
M. P. (pessoa física)
IT
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
08/24/1999
RPI 1494
Deferimento
#9.1
02/17/1999
RPI 1467
Exigência - art. 36 da LPI
#6.1
10/28/1997
RPI 1404
14.4
07/04/1995
RPI 1283
Solicitação de exame técnico
#4.1
03/08/1994
RPI 1214
Publicação do pedido de patente
#3.1
01/14/1992
RPI 1102
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