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Official data from INPI

PROCESSO APERFEIÇOADO DE CARBOCLORAÇÃO DE ALUMINA EM BANHO DE SAIS FUNDIDOS.

ConcedidaInvention Patent

Application data

Number

PI8108935

Type

Invention Patent

Filing

12/23/1981

Publication

11/30/1982

Progress at the INPI

  1. Filing12/23/81
  2. Publication11/30/82
  3. Examination06/19/84
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated09/25/90

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

A. [. (pessoa física)

C. [. (pessoa física)

G. [. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 27945 · 12/24/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

11/30/1982

RPI 632

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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