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Official data from INPI

PROCESSO DE REDUCAO DAS PERDAS DE SOLVENTE ORGANICOS NO TRATAMENTO DE UMA SUSPENSAO RESULTANTE DO ATAQUE ACIDO DE UM MINERIO

Em AnáliseInvention Patent

Application data

Number

PI8008960

Type

Invention Patent

Filing

12/05/1979

Publication

10/20/1981

Progress at the INPI

  1. Filing12/05/79
  2. Publication10/20/81
  3. Examination05/25/82
  4. Allowance06/17/86
  5. Grant12/30/86
  6. Terminated11/16/88

The patent was granted on 12/30/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. U. (pessoa física)

Inventors

F. A. (pessoa física)

S. B. (pessoa física)

T. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Conhecimento de parecer técnico

#7.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Notificação de entrada na fase nacional - PCT

#1.3

10/20/1981

RPI 574

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