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Official data from INPI

COMPOSIÇÃO DE MATÉRIA, COMPOSIÇÃO DE ÓLEO LUBRIFICANTE, COMPOSIÇÃO DE ÓLEO COMBUSTÍVEL, PROCESSO PARA PRODUZIR UMA COMPOSIÇÃO DE HIDROCARBONETOS E USO DA COMPOSIÇÃO DE MATÉRIA

Em AnáliseInvention PatentPCT · US1988001107

Application data

Number

PI8807447

Type

Invention Patent

Filing

04/06/1988

Publication

04/10/1990

PCT

US1988001107

Progress at the INPI

  1. Filing04/06/88
  2. Publication04/10/90
  3. Examination08/14/90
  4. Allowance
  5. Grant
  6. In force

Published on 04/10/1990, 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: 02/16/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

S. B. (pessoa física)

Technical data

Priority claims

US

036,015 · 04/08/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

02/16/1994

RPI 1211

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

Notificação de entrada na fase nacional - PCT

#1.3

04/10/1990

RPI 1013

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