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Official data from INPI

PROCESSO CONTÍNUO PARA A PRODUÇÃO DE UMA COMPOSIÇÃO DE POLÍMERO, APARELHO E COMPOSIÇÃO DE POLÍMERO

Em AnáliseInvention Patent

Application data

Number

PI9003925

Type

Invention Patent

Filing

08/09/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/09/90
  2. Publication09/03/91
  3. Examination10/26/93
  4. Allowance
  5. Grant
  6. In force

Published on 09/03/1991, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

C. N. (pessoa física)

BE

L. A. (pessoa física)

BE

N. A. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8918157.2 · 08/09/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

10/26/1993

RPI 1195

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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