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Official data from INPI

PROCESSO DE SEPARAÇÃO DOS COMPONENTES DE UMA MISTURA DE REAÇÃO BRUTA E PROCESSO DE RECUPERAÇÃO DE MOLIBDÊNIO DISSOLVIDO POR EXTRAÇA DE UMA SOLUÇÃO CATALISADOR CONTENDO MOLIBDÊNIO

ConcedidaInvention Patent

Application data

Number

PI8200304

Type

Invention Patent

Filing

01/21/1982

Publication

11/23/1982

Progress at the INPI

  1. Filing01/21/82
  2. Publication11/23/82
  3. Examination12/04/84
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Terminated11/15/94

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlantic Richfield Company

US

See this company's full portfolio

Inventors

M. M. (pessoa física)

US

P. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

226.967 · 01/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

06/03/1986

RPI 815

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

11/23/1982

RPI 631

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

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