10/03/1989
RPI 989
Anuidade - prazo legal encerrado
18.2
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Invention PatentPI7902930
HIDRATO DE DIOXIDO DE TITANIO, MISTURA DE HIDRATO DE DIOXIDO DE TITANIO E PROCESSO PARA A PRODUCAO DE HIDRATO DE DIOXIDO DE TITANIO
KRONOS TITAN GMBH
Em AnáliseIPC C01G 23/053
Progress at the INPI
- Terminated10/03/89
The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
09/25/1984
RPI 727
Concessão da patente
16.1
07/03/1984
RPI 715
Notificação para pagamento de retribuição
13.1
03/13/1984
RPI 699
Deferimento
9.1
10/04/1983
RPI 676
Exigência - art. 36 da LPI
6.1
01/18/1983
RPI 639
Exigência - art. 36 da LPI
6.1