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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE FLUORMETILPIRIDINAS

ConcedidaInvention Patent

Application data

Number

PI8202382

Type

Invention Patent

Filing

04/26/1982

Publication

04/05/1983

Progress at the INPI

  1. Filing04/26/82
  2. Publication04/05/83
  3. Examination06/25/85
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Terminated11/29/94

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

D. W. (pessoa física)

GB

E. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8112932 · 04/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

Republicação - classificação IPC

#15.11

04/08/1986

RPI 807

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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