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Official data from INPI

PARTICULAS DISPERSAS,PROCESSO PARA MUDAR AS CARACTERISTICAS DE SUPERFICIE DE UMA PARTICULA DISPERSA,PARTICULAS PREPARADAS POR POLIMERIZACAO EM DISPERSAO E PARTICULAS POLIMERIZADAS

PublicadaInvention Patent

Application data

Number

PI8606170

Type

Invention Patent

Filing

11/29/1985

Publication

09/22/1987

Progress at the INPI

  1. Filing11/29/85
  2. Publication09/22/87
  3. Examination04/17/90
  4. Allowance
  5. Grant
  6. In force

Published on 09/22/1987, 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: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODRICH CO B F [US]

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Inventors

E. A. (pessoa física)

H. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/22/1987

RPI 883

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Retificação

#15.3

04/21/1992

RPI 1116

Solicitação de exame técnico

#4.1

04/17/1990

RPI 1014

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