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Official data from INPI

PROCESSO DE PRODUCAO DE MISTURA D EMETANOL E ALCOOL SUPERIOR COM GRAU CARBURANTE

ConcedidaInvention Patent
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Application data

Number

PI8102809

Type

Invention Patent

Filing

05/16/1980

Publication

02/02/1982
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Progress at the INPI

  1. Filing05/16/80
  2. Publication02/02/82
  3. Examination03/07/84
  4. Allowance12/29/87
  5. Grant09/27/88
  6. Terminated09/25/90

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

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Inventors

D. R. (pessoa física)

L. V. (pessoa física)

P. A. (pessoa física)

Technical data

IPC Classification

C07C 29/15C07C 29/151C07C 29/153C07C 29/154C07C 31/00C07C 67/00C10L 1/00C10L 1/02C10L 1/10C10L 1/182

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

03/10/1987

RPI 855

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Conhecimento de parecer técnico

#7.1

10/15/1985

RPI 782

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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