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Official data from INPI

PROCESSO INTEGRADO PARA DESPARAFINAR CATALÍTICAMENTE CARGA DE PETRÓLEO RELATIVAMENTE LEVE E PARA DESPARAFINAR CARGA DE LUBRIFICANTE

Em AnáliseInvention Patent

Application data

Number

PI8505797

Type

Invention Patent

Filing

11/19/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/19/85
  2. Publication06/09/87
  3. Examination07/18/89
  4. Allowance
  5. Grant
  6. In force

Published on 06/09/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

A. C. (pessoa física)

US

J. V. (pessoa física)

US

W. G. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Retificação

#15.3

10/16/1990

RPI 1037

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