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Official data from INPI

MEMBRANA TUBULAR E PROCESSO

ArquivadaInvention Patent

Application data

Number

PI9003485

Type

Invention Patent

Filing

07/18/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/18/90
  2. Publication08/27/91
  3. Abandoned11/16/93
  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: 11/28/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

K. A. (pessoa física)

R. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8916440.4 · 07/19/1989

GB

9013857.9 · 06/21/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/28/2000

RPI 1560

Exigência - art. 36 da LPI

#6.1

02/18/1997

RPI 1368

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/22/1991

RPI 1051

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