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Official data from INPI

ZEOLITO, COMPOSIÇÃO DE ZEOLITO, PROCESSO PARA SUA PREPARAÇÃO E PROCESSO PARA CONVERSÃO DE HIDROCARBONETOS

Em AnáliseInvention PatentPCT · US1990003764

Application data

Number

PI9007515

Type

Invention Patent

Filing

07/03/1990

Publication

06/23/1992

PCT

US1990003764

Progress at the INPI

  1. Filing07/03/90
  2. Publication06/23/92
  3. Examination06/08/93
  4. Allowance
  5. Grant
  6. In force

Published on 06/23/1992, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chevron Research And Technology Company

US

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Inventors

A. R. (pessoa física)

US

D. H. (pessoa física)

US

D. S. (pessoa física)

US

J. Z. (pessoa física)

US

L. J. (pessoa física)

US

S. Z. (pessoa física)

US

Technical data

Priority claims

US

377,359 · 07/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Notificação de entrada na fase nacional - PCT

#1.3

06/23/1992

RPI 1125

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