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Official data from INPI

PROCESSO DE DOIS ESTÁGIOS PARA BENEFICIAR HIDROCARBONETOS, PROCESSO DE DOIS ESTÁGIOS PARA CONVERTER ALCANOS C2 + EM OLEFINAS E INSTALAÇÃO PARA CONVERSÃO DE ALCANOS EM GASOLINA

PublicadaInvention Patent

Application data

Number

PI8900227

Type

Invention Patent

Filing

01/19/1989

Publication

09/12/1989

Progress at the INPI

  1. Filing01/19/89
  2. Publication09/12/89
  3. Examination03/30/93
  4. Allowance
  5. Grant
  6. In force

Published on 09/12/1989, 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

H. O. (pessoa física)

US

M. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

144.991 · 01/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/12/1989

RPI 986

Pedido de patente depositado

#2.1

02/28/1989

RPI 958

Retificação

#15.3

09/27/1994

RPI 1243

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

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