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Official data from INPI

PROCESSO PARA A SINTESE DE ACIDO TEREFTALICO COM RECUPERACAO DE CATALISADOR E SOLVENTE A PARTIR DO LIQUIDO PRINCIPAL

ConcedidaInvention Patent

Application data

Number

PI7802069

Type

Invention Patent

Filing

04/13/1977

Publication

-

Progress at the INPI

  1. Filing04/13/77
  2. Publication
  3. Examination
  4. Allowance12/26/84
  5. Grant08/27/85
  6. Terminated06/29/93

The patent was granted on 08/27/1985 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONTEDISON SPA

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Inventors

B. P. (pessoa física)

C. G. (pessoa física)

P. P. (pessoa física)

S. M. (pessoa física)

T. R. (pessoa física)

T. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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