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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA DISPERSÃO AQUOSA DE POLÍMERO ESTERICAMENTE ESTABILIZADA

ConcedidaInvention Patent

Application data

Number

PI8304018

Type

Invention Patent

Filing

07/27/1983

Publication

05/29/1984

Progress at the INPI

  1. Filing07/27/83
  2. Publication05/29/84
  3. Examination08/12/86
  4. Allowance01/03/89
  5. Grant08/29/89
  6. Terminated05/02/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dulux Australia Limited

AU

Imperial Chemical Industries Plc.

GB

Inventors

D. G. (pessoa física)

AU

M. T. (pessoa física)

GB

R. P. (pessoa física)

AU

S. D. (pessoa física)

GB

Technical data

Priority claims

GB

8221894 · 07/29/1982

GB

8318137 · 07/05/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

6.2

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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