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Official data from INPI

Processo para produzir etanol pela fermentação de um substrato.

ConcedidaInvention Patent

Application data

Number

PI8001126

Type

Invention Patent

Filing

02/26/1980

Publication

-

Progress at the INPI

  1. Filing02/26/80
  2. Publication
  3. Examination11/03/81
  4. Allowance07/08/86
  5. Grant02/03/87
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa - Laval Ab

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Inventors

T. C. (pessoa física)

V. I. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

7901738-0 · 02/27/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

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

05/21/1985

RPI 761

6.2

09/28/1982

RPI 623

Pedido de certificado de adição de invenção

#5.1

06/01/1982

RPI 606

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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