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Official data from INPI

PROCESSO DE TRANSFORMAÇÃO POR EXTRUSÃO DE COMPOSIÇÕES À BASE DE TPU, OBJETOS E COMPOSIÇÕES À BASE DE TPU

Em AnáliseInvention Patent

Application data

Number

PI9100527

Type

Invention Patent

Filing

02/07/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/07/91
  2. Publication10/29/91
  3. Examination01/18/94
  4. Allowance
  5. Grant
  6. In force

Published on 10/29/1991, 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: 12/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem

FR

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Inventors

A. P. (pessoa física)

FR

P. A. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

90 01691 · 02/13/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/23/1997

RPI 1409

Solicitação de exame técnico

#4.1

01/18/1994

RPI 1207

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/20/1991

RPI 1081

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