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Official data from INPI

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

Em AnáliseInvention Patent

Application data

Number

PI8504455

Type

Invention Patent

Filing

09/13/1985

Publication

04/22/1987

Progress at the INPI

  1. Filing09/13/85
  2. Publication04/22/87
  3. Examination03/28/89
  4. Allowance10/08/91
  5. Grant06/30/92
  6. Terminated05/28/96

The patent was granted on 06/30/1992 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: 03/28/1989. 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

V. P. (pessoa física)

US

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/28/1989

RPI 962

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

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

02/11/1992

RPI 1106

Deferimento

#9.1

10/08/1991

RPI 1088

Exigência - art. 36 da LPI

#6.1

04/02/1991

RPI 1061

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