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Official data from INPI

PIGMENTO EXTENSOR EM FLOCOS E PROCESSO PARA SUA PREPARAÇÃO

PublicadaInvention Patent

Application data

Number

PI8901952

Type

Invention Patent

Filing

04/25/1989

Publication

12/05/1989

Progress at the INPI

  1. Filing04/25/89
  2. Publication12/05/89
  3. Examination02/18/92
  4. Allowance
  5. Grant
  6. In force

Published on 12/05/1989, 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. H. (pessoa física)

DE

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Inventors

T. N. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

63-101388 · 04/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: A61K 7/035; C09C 1/36.

03/27/2018

RPI 2464

Retificação

#15.3

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

02/18/1992

RPI 1107

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