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Official data from INPI

PROCESSO DE PREPARACAO DE ALCOOIS INSATURADOS

Em AnáliseInvention Patent

Application data

Number

PI8000347

Type

Invention Patent

Filing

01/25/1979

Publication

-

Progress at the INPI

  1. Filing01/25/79
  2. Publication
  3. Examination12/07/82
  4. Allowance11/13/84
  5. Grant07/30/85
  6. Terminated06/21/88

The patent was granted on 07/30/1985 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

TEXAS ALKYLS INC

Inventors

M. D. (pessoa física)

Y. G. (pessoa física)

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

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

12/07/1982

RPI 633

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