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Official data from INPI

Monômeros e polímeros floculantes.

Em AnáliseInvention Patent

Application data

Number

PI7904697

Type

Invention Patent

Filing

07/23/1979

Publication

-

Progress at the INPI

  1. Filing07/23/79
  2. Publication
  3. Examination03/16/82
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Terminated07/12/88

The patent was granted on 09/25/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

B. J. (pessoa física)

G. B. (pessoa física)

J. B. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78 22883 · 07/24/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

03/16/1982

RPI 595

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