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Official data from INPI

PROCESSO PARA PRODUZIR UM ÓLEO NAFTÊNICO DE PROCESO, ÓLEO DO PROCESSO E PROCESSO PARA PRODUZIR UM ÓLEO DO PROCESSO.

PublicadaInvention Patent

Application data

Number

PI8701217

Type

Invention Patent

Filing

03/17/1987

Publication

01/05/1988

Progress at the INPI

  1. Filing03/17/87
  2. Publication01/05/88
  3. Abandoned06/12/90
  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: 01/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company.

US

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Inventors

B. C. (pessoa física)

K. W. (pessoa física)

P. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

840 882 · 03/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/05/1988

RPI 898

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Arquivamento - Art. 36 §1° da LPI

#11.2

03/23/1993

RPI 1164

Exigência - art. 36 da LPI

#6.1

12/17/1991

RPI 1098

Solicitação de exame técnico

#4.1

06/12/1990

RPI 1022

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