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Official data from INPI

PROCESSO DE PRODUCAO DE ETANOL,PELA HIDROLISE ACIDA DA MADEIRA,COM UTILIZACAO DE ACIDO FOSFORICO

Em AnáliseInvention Patent

Application data

Number

PI7908366

Type

Invention Patent

Filing

12/20/1979

Publication

-

Progress at the INPI

  1. Filing12/20/79
  2. Publication
  3. Examination02/24/82
  4. Allowance09/04/84
  5. Grant04/30/85
  6. Terminated10/03/89

The patent was granted on 04/30/1985 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. K. (pessoa física)

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

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

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

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