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

APARELHO E PROCESSO PARA A PRODUCAO DE DIOXIDO DE TITANIO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8108109

Type

Invention Patent

Filing

12/15/1980

Publication

09/21/1982
View on INPI

Progress at the INPI

  1. Filing12/15/80
  2. Publication09/21/82
  3. Examination10/02/84
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated11/08/94

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LAPORTE INDUSTRIES LTD [GB]

Inventors

S. D. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

B01D 49/00C01G 23/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

10/02/1984

RPI 728

Publicação do pedido de patente

#3.1

09/21/1982

RPI 622

Pedido de patente depositado

#2.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

Related

Patent monitoring

Track this patent in real time.

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