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Official data from INPI

MATERIAL CRISTALINO POROSO SINTÉTICO E PROCESSO PARA PREPARAR O MESMO

Em AnáliseInvention PatentPCT · US1988004251

Application data

Number

PI8807882

Type

Invention Patent

Filing

11/28/1988

Publication

11/27/1990

PCT

US1988004251

Progress at the INPI

  1. Filing11/28/88
  2. Publication11/27/90
  3. Examination03/17/92
  4. Allowance
  5. Grant
  6. In force

Published on 11/27/1990, 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

M. R. (pessoa física)

US

P. C. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C01B 33/34.

03/27/2018

RPI 2464

Retificação

#15.3

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1990

RPI 1043

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