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Official data from INPI

PROCESSO DE PREPARAÇÃO E PRÉ-TRATAMENTO DE CATALISADORES À BASE DE FERRO E MOLIBDÊNIO, BEM COMO PARA A PREPARAÇÃO DE ACETALDEÍDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002392

Type

Invention Patent

Filing

05/22/1990

Publication

02/13/1991

Progress at the INPI

  1. Filing05/22/90
  2. Publication02/13/91
  3. Examination07/02/91
  4. Allowance04/27/99
  5. Grant09/08/99
  6. Expired01/15/13

The letters patent expired on 01/15/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Nacional de Tecnologia

RJ, BR

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Inventors

L. A. (pessoa física)

BR

P. M. (pessoa física)

BR

S. P. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

04/27/1999

RPI 1477

Exigência - art. 36 da LPI

#6.1

09/15/1998

RPI 1447

15.5

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

Publicação antecipada

#3.2

02/13/1991

RPI 1054

Pedido de patente depositado

#2.1

10/02/1990

RPI 1035

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