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Official data from INPI

PROCESSO PARA TRATAMENTO METALURGICO DE MINERAIS DE APATITA

Em AnáliseInvention Patent
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Application data

Number

PI7808151

Type

Invention Patent

Filing

11/17/1978

Publication

-
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Progress at the INPI

  1. Filing11/17/78
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated10/03/89

The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FOSKEM LTD

Inventors

B. P. (pessoa física)

H. R. (pessoa física)

Technical data

IPC Classification

C01B 25/01

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

6.2

04/13/1982

RPI 599

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