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Official data from INPI

MEMBRANAS DE SEPARAÇÃO DE FLUIDOS ANISOTRÓPICA, MÉTODO DE FORMAÇÃO DE MEMBRANAS DE FIBRAS OCAS E PROCESSO PARA SEPARAÇÃO DE FLUIDOS

ArquivadaInvention Patent

Application data

Number

PI9601002

Type

Invention Patent

Filing

03/13/1996

Publication

12/30/1997

Progress at the INPI

  1. Filing03/13/96
  2. Publication12/30/97
  3. Examination
  4. Allowance02/28/01
  5. Abandoned
  6. In force

The application was allowed on 02/28/2001 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 12/04/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

See this company's full portfolio

Inventors

J. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

404208 · 03/14/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/04/2001

RPI 1613

Republicação - classificação IPC

#15.11

Alterada a classificação para Int.Cl.6 B01D 71/64 e B01D 69/08.

02/28/2001

RPI 1573

Deferimento

#9.1

02/28/2001

RPI 1573

Publicação do pedido de patente

#3.1

12/30/1997

RPI 1410

Pedido de patente depositado

#2.1

04/16/1996

RPI 1324

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