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Official data from INPI

PROCESSO PARA A CONVERSÃO DE ALIMENTAÇÃO DE METANOL OU DE GÁS DE SÍNTESE EM HIDROCARBONETOS

Em AnáliseInvention Patent

Application data

Number

PI8504456

Type

Invention Patent

Filing

09/13/1985

Publication

04/22/1987

Progress at the INPI

  1. Filing09/13/85
  2. Publication04/22/87
  3. Examination04/18/89
  4. Allowance08/04/92
  5. Grant03/30/93
  6. Terminated05/28/96

The patent was granted on 03/30/1993 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company.

US

See this company's full portfolio

Inventors

C. M. (pessoa física)

US

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/18/1989

RPI 965

Publicação do pedido de patente

#3.1

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Anuidade - prazo legal encerrado

#18.2

05/28/1996

RPI 1330

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/04/1992

RPI 1131

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

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