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Official data from INPI

PROCESSO DE OBTENCAO DE CATALISADORES QUE CONTEM ANTIMONIO POR IMPREGNACAO COM OXIDO DE ANTIMONIO E CATALISADOR PRODUZIDO PELO DITO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8008484

Type

Invention Patent

Filing

12/28/1979

Publication

-

Progress at the INPI

  1. Filing12/28/79
  2. Publication
  3. Examination09/27/83
  4. Allowance08/06/85
  5. Grant04/29/86
  6. Terminated02/04/92

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO OHIO

Inventors

B. J. (pessoa física)

D. S. (pessoa física)

G. R. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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