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Official data from INPI

PROCESSO DE REGENRAÇÃO DE UM CATALISADOR DO TIPO DE FOSFATO DE FERRO.

ConcedidaInvention Patent

Application data

Number

PI8107249

Type

Invention Patent

Filing

11/09/1981

Publication

04/12/1983

Progress at the INPI

  1. Filing11/09/81
  2. Publication04/12/83
  3. Examination09/06/83
  4. Allowance08/13/85
  5. Grant02/04/86
  6. Terminated02/04/92

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ashland Oil, Inc

US

See this company's full portfolio

Inventors

B. W. (pessoa física)

Technical data

Priority claims

US

228.303 · 01/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Republicação - classificação IPC

#15.11

08/27/1985

RPI 775

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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