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Official data from INPI

PROCESSO APERFEIÇOADO PARA RECUPERAR HIDROCARBONETOS DE MATERIAIS CARBONÁCEO.

Em AnáliseInvention Patent

Application data

Number

PI8601936

Type

Invention Patent

Filing

04/30/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing04/30/86
  2. Publication01/06/87
  3. Abandoned12/06/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company.

US

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Inventors

H. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

729,335 · 05/01/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Arquivamento - Art. 36 §1° da LPI

#11.2

03/16/1993

RPI 1163

Exigência - art. 36 da LPI

#6.1

08/06/1991

RPI 1079

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