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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLITETRAMENTILENO ADIPAMIDA

DeferidaInvention Patent

Application data

Number

PI8501867

Type

Invention Patent

Filing

04/18/1985

Publication

12/17/1985

Progress at the INPI

  1. Filing04/18/85
  2. Publication12/17/85
  3. Examination01/19/88
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Terminated05/21/96

The patent was granted on 06/26/1990 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stamicarbon B.V.

NL

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Inventors

A. B. (pessoa física)

NL

R. G. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8401271 · 04/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

01/19/1988

RPI 900

Publicação do pedido de patente

#3.1

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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