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Official data from INPI

COMPOSIÇÃO DE REVESTIMENTO E MÉTODO PARA APLICAR COMPOSIÇÕES DE REVESTIMENTO A SUBSTRATOS

Em AnáliseInvention Patent

Application data

Number

PI8905456

Type

Invention Patent

Filing

10/23/1989

Publication

05/29/1990

Progress at the INPI

  1. Filing10/23/89
  2. Publication05/29/90
  3. Examination08/18/92
  4. Allowance
  5. Grant
  6. In force

Published on 05/29/1990, 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: 07/04/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

R. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

262.379 · 10/25/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

07/04/1995

RPI 1283

Solicitação de exame técnico

#4.1

08/18/1992

RPI 1133

Publicação do pedido de patente

#3.1

05/29/1990

RPI 1020

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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