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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLIETERAMIDAS

PublicadaInvention Patent

Application data

Number

PI8803678

Type

Invention Patent

Filing

07/22/1988

Publication

02/14/1989

Progress at the INPI

  1. Filing07/22/88
  2. Publication02/14/89
  3. Examination05/07/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/14/1989, 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

P. G. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

2826/87 · 07/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

01/24/1989

RPI 953

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 65/26; C08L 71/04.

03/27/2018

RPI 2464

Retificação

#15.3

09/12/1995

RPI 1293

Solicitação de exame técnico

#4.1

05/07/1991

RPI 1066

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