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Official data from INPI

COMPOSIÇÃO DE ÓLEO DIRETO PARA MATERIAIS FIBROSOS

Em AnáliseInvention Patent

Application data

Number

PI8905641

Type

Invention Patent

Filing

11/03/1989

Publication

06/05/1990

Progress at the INPI

  1. Filing11/03/89
  2. Publication06/05/90
  3. Examination10/16/90
  4. Allowance
  5. Grant
  6. In force

Published on 06/05/1990, 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: 02/21/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Toray Silicone Company Limited

JP

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Inventors

I. O. (pessoa física)

JP

M. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

278740/88 · 11/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

02/21/1996

RPI 1316

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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