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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8703738

Type

Invention Patent

Filing

07/17/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/17/87
  2. Publication03/29/88
  3. Examination08/23/88
  4. Allowance
  5. Grant
  6. In force

Published on 03/29/1988, 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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Idemitsu Petrochemical Co. Ltd

JP

See this company's full portfolio

Inventors

M. I. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Retificação

#15.3

08/31/1993

RPI 1187

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