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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DERIVADOS DO BENZOFURANO

ConcedidaInvention Patent

Application data

Number

PI8400466

Type

Invention Patent

Filing

02/03/1984

Publication

09/11/1984

Progress at the INPI

  1. Filing02/03/84
  2. Publication09/11/84
  3. Examination01/22/85
  4. Allowance11/29/88
  5. Grant09/26/89
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enichem Synthesis S.p.A.

IT

See this company's full portfolio

Inventors

F. M. (pessoa física)

IT

M. C. (pessoa física)

IT

P. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19429 A/83 · 02/04/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

11/29/1988

RPI 945

14.1

07/05/1988

RPI 924

Exigência - art. 36 da LPI

#6.1

03/29/1988

RPI 910

Conhecimento de parecer técnico

#7.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação do pedido de patente

#3.1

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

Carta-patente expirada

#21.1

Patente extinta em 03/02/99

07/08/2008

RPI 1957

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