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Official data from INPI

PROCESSO E APARELHO PARA DESTILAÇÃO TRANSMEMBRANA.

ArquivadaInvention Patent

Application data

Number

PI8302511

Type

Invention Patent

Filing

05/13/1983

Publication

01/17/1984

Progress at the INPI

  1. Filing05/13/83
  2. Publication01/17/84
  3. Abandoned02/04/86
  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.

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Latest action published by the INPI: 01/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akzo N.V.

NL

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Inventors

O. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

32183194 · 05/14/1982

DE

33123594 · 04/06/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/12/1988

RPI 899

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

02/04/1986

RPI 798

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 3/14; B01D 13/00; B01D 57/00; B01D 61/36.

03/27/2018

RPI 2464

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