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Official data from INPI

PROCESSO PARA PRODUÇÃO DE UMA DISPERSÃO ESTABILIZADA

ConcedidaInvention Patent

Application data

Number

PI7907966

Type

Invention Patent

Filing

12/06/1979

Publication

-

Progress at the INPI

  1. Filing12/06/79
  2. Publication
  3. Examination09/28/82
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated04/26/94

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dulux Australia Ltd

AU

Imperial Chemical Industries Limited

GB

Imperial Chemical Industries Plc.

GB

Inventors

G. C. (pessoa física)

T. M. (pessoa física)

W. F. (pessoa física)

W. J. (pessoa física)

Technical data

Priority claims

GB

47585/78 · 12/07/1978

GB

7921091 · 06/18/1979

GB

7924873 · 07/17/1979

GB

7940088 · 11/20/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

06/04/1985

RPI 763

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Anuidade - prazo legal encerrado

#18.2

04/26/1994

RPI 1221

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