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Official data from INPI

PROCESSO DE PRODUÇÃO DE HIDROCARBONETOS AROMÁTICOS.

Em AnáliseInvention Patent

Application data

Number

PI8102889

Type

Invention Patent

Filing

05/08/1919

Publication

02/02/1982

Progress at the INPI

  1. Filing05/08/19
  2. Publication02/02/82
  3. Examination03/13/84
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 09/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

FR

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Inventors

B. J. (pessoa física)

B. M. (pessoa física)

Technical data

Priority claims

FR

80 10311 · 05/09/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/23/1986

RPI 831

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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