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Official data from INPI

PROCESSO DE DESIDRATAÇÃO DE UMA SUSPENSÃO DE PIGMENTOS MINERAIS DO TIPO MEO2, EM QUE ME É SI OU TI

Em AnáliseInvention Patent

Application data

Number

PI8404728

Type

Invention Patent

Filing

09/20/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/20/84
  2. Publication08/13/85
  3. Examination09/08/87
  4. Allowance08/08/89
  5. Grant03/20/90
  6. Terminated06/27/95

The patent was granted on 03/20/1990 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. B. (pessoa física)

FR

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Inventors

M. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83.14986 · 09/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

02/08/1989

RPI 955

Solicitação de exame técnico

#4.1

09/08/1987

RPI 881

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

Concessão da patente

#16.1

03/20/1990

RPI 1010

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