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Official data from INPI

COMPOSIÇÃO DE CATALISADOR E PROCESSO PARA CATALITICAMENTE CRAQUEAR ALIMENTAÇÃO DE HIDROCARBONETOS

Em AnáliseInvention PatentPCT · US1989005298

Application data

Number

PI8907200

Type

Invention Patent

Filing

11/22/1989

Publication

03/05/1991

PCT

US1989005298

Progress at the INPI

  1. Filing11/22/89
  2. Publication03/05/91
  3. Examination06/15/93
  4. Allowance
  5. Grant
  6. In force

Published on 03/05/1991, 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: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chevron Research And Technology Company

US

Chevron Research Company

US

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Inventors

T. P. (pessoa física)

Technical data

Priority claims

US

275,470 · 11/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

14.4

09/01/1992

RPI 1135

Notificação de entrada na fase nacional - PCT

#1.3

03/05/1991

RPI 1057

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