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Official data from INPI

PROCESSO PARA A PURIFICAÇÃO DE ÀGUAS RESIDUAIS CONTENDO CORANTES E APLICAÇÃO

PublicadaInvention Patent

Application data

Number

PI8700548

Type

Invention Patent

Filing

02/06/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing02/06/87
  2. Publication12/08/87
  3. Abandoned08/07/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CIBA GEIGY AG [CH]

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Inventors

A. H. (pessoa física)

CH

D. P. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

483/86 · 02/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C02F 1/44; C02F 1/66; B01D 13/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

05/11/1993

RPI 1171

Exigência - art. 36 da LPI

#6.1

10/27/1992

RPI 1143

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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