(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

HIDRATO DE DIOXIDO DE TITANIO, MISTURA DE HIDRATO DE DIOXIDO DE TITANIO E PROCESSO PARA A PRODUCAO DE HIDRATO DE DIOXIDO DE TITANIO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI7902930

Type

Invention Patent

Filing

05/11/1979

Publication

-
View on INPI

Progress at the INPI

  1. Filing05/11/79
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant09/25/84
  6. 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 specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRONOS TITAN GMBH

Inventors

B. H. (pessoa física)

K. E. (pessoa física)

R. F. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

C01G 23/053

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Exigência - art. 36 da LPI

#6.1

01/18/1983

RPI 639

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.