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Official data from INPI

PROCESSO PARA A ELIMINAÇÃO PELA HIDROGENAÇÃO DO CARVÃO DE ÁGUAS SERVIDAS PROCESSADAS, CONTENDO ÁCIDO DE ALCATRAO

IndeferidaInvention Patent

Application data

Number

PI8200568

Type

Invention Patent

Filing

02/03/1982

Publication

10/04/1983

Progress at the INPI

Under appeal
  1. Filing02/03/82
  2. Publication10/04/83
  3. Examination09/11/84
  4. Refused03/31/87
  5. Grant
  6. In force

The application was refused by the INPI on 03/31/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

DE

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Inventors

E. W. (pessoa física)

DE

H. T. (pessoa física)

BR

J. L. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/31/1987

RPI 858

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

10/29/1985

RPI 784

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

03/23/1982

RPI 596

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