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Official data from INPI

CATALISADOR OU COMPOSIÇÃO CATALÍTICA, PROCESSO PARA SUA PRODUÇÃO, PROCESSO PARA PREPARAR HIDROCARBONETOS PARAFÍNICOS E PROCESSO PARA SÍNTESE DE AMÔNIA.

ConcedidaInvention Patent

Application data

Number

PI8107618

Type

Invention Patent

Filing

11/23/1981

Publication

08/17/1982

Progress at the INPI

  1. Filing11/23/81
  2. Publication08/17/82
  3. Examination05/02/84
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Terminated02/04/92

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

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Inventors

K. E. (pessoa física)

M. L. (pessoa física)

T. L. (pessoa física)

W. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

209,998 · 11/24/1980

US

216,139,216,542 · 12/15/1980

US

243,824 · 03/16/1981

US

304,139 · 09/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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