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Official data from INPI

PROCESSO PARA PRODUÇÃO DE ETANOL POR FERMENTAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8405314

Type

Invention Patent

Filing

10/19/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/19/84
  2. Publication09/03/85
  3. Examination04/14/87
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Research Association For Petroleum Alternatives Development, companhia japonêsa

JP

Inventors

T. S. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

197328/1983 · 10/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/14/1987

RPI 860

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Carta-patente expirada

#21.1

Patente extinta em 19/10/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

11/27/1990

RPI 1043

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