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Official data from INPI

PROCESSO DE PREPARAÇÃO DE POLÍMEROS À BASE DE BORO E DE NITROGÊNIO, COMPOSIÇÃO DE MATÉRIA SUSCEPTÍVEL DE SER UTILIZADA NESTE PROCESSO E FIBRA DE NITRETO DE BORO

PublicadaInvention Patent

Application data

Number

PI8901466

Type

Invention Patent

Filing

03/30/1989

Publication

11/14/1989

Progress at the INPI

  1. Filing03/30/89
  2. Publication11/14/89
  3. Examination01/14/92
  4. Allowance
  5. Grant
  6. In force

Published on 11/14/1989, 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

G. M. (pessoa física)

FR

J. L. (pessoa física)

FR

P. A. (pessoa física)

Technical data

Priority claims

FR

88 04365 · 04/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Retificação

#15.3

06/07/1994

RPI 1227

Solicitação de exame técnico

#4.1

01/14/1992

RPI 1102

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