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Official data from INPI

COMPOSIÇÃO PARA O BENEFICIAMENTO DE FIBRAS SINTÉTICAS, PROCESSO PARA SUA PREPARAÇÃO E APLICAÇÃO

PublicadaInvention Patent

Application data

Number

PI8900543

Type

Invention Patent

Filing

02/03/1989

Publication

10/10/1989

Progress at the INPI

  1. Filing02/03/89
  2. Publication10/10/89
  3. Examination11/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 10/10/1989, 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

See this company's full portfolio

Inventors

D. M. (pessoa física)

DE

D. P. (pessoa física)

CH

Technical data

Priority claims

CH

4385/88 · 11/25/1988

CH

439/88 · 02/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era D06M 1/16.

03/27/2018

RPI 2464

Retificação

#15.3

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

11/19/1991

RPI 1094

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