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Official data from INPI

PROCESSO PARA PRODUZIR ACETALDEIDO E/OU ETANOL

Em AnáliseInvention Patent

Application data

Number

PI8102398

Type

Invention Patent

Filing

04/21/1980

Publication

12/29/1981

Progress at the INPI

  1. Filing04/21/80
  2. Publication12/29/81
  3. Examination12/27/83
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Terminated05/24/88

The patent was granted on 02/04/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NAT DISTILLERS CHEM CORP

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Inventors

S. D. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

12/29/1981

RPI 584

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