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Official data from INPI

POLÍMERO DE DIORGANOPOLISSILOXANO E PROCESSO PARA A PREPARAÇÃO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8904492

Type

Invention Patent

Filing

09/06/1989

Publication

04/24/1990

Progress at the INPI

  1. Filing09/06/89
  2. Publication04/24/90
  3. Examination06/23/92
  4. Allowance
  5. Grant
  6. In force

Published on 04/24/1990, 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

E. C. (pessoa física)

FR

G. L. (pessoa física)

FR

H. R. (pessoa física)

FR

M. G. (pessoa física)

FR

S. F. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88 12016 · 09/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 77/12; C08G 77/40; C08G 77/14.

03/27/2018

RPI 2464

Retificação

#15.3

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

04/24/1990

RPI 1015

Pedido de patente depositado

#2.1

02/06/1990

RPI 1005

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