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Official data from INPI

Processo para a produção de uma corrente rica em butenol.

Em AnáliseInvention Patent

Application data

Number

PI8001726

Type

Invention Patent

Filing

03/21/1980

Publication

-

Progress at the INPI

  1. Filing03/21/80
  2. Publication
  3. Examination11/23/82
  4. Allowance01/31/84
  5. Grant08/28/84
  6. Terminated06/21/88

The patent was granted on 08/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Davy Mckee (Oil & Chemicals) Limited

Inventors

F. J. (pessoa física)

H. N. (pessoa física)

K. J. (pessoa física)

Technical data

Priority claims

GB

7910010 · 03/21/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

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