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Official data from INPI

Processo para tratamento de um ácido fosfórico bruto por via úmida, e aplicação do processo.

ConcedidaInvention Patent

Application data

Number

PI8000411

Type

Invention Patent

Filing

01/23/1980

Publication

-

Progress at the INPI

  1. Filing01/23/80
  2. Publication
  3. Examination11/09/82
  4. Allowance02/04/86
  5. Grant07/29/86
  6. Terminated02/11/92

The patent was granted on 07/29/1986 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: 07/29/1986. 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)

C. M. (pessoa física)

N. G. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 01752 · 01/24/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Exigência - art. 36 da LPI

#6.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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