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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM CATALISADOR DE HIDROGENAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102621

Type

Invention Patent

Filing

06/21/1991

Publication

01/21/1992

Progress at the INPI

  1. Filing06/21/91
  2. Publication01/21/92
  3. Examination07/06/93
  4. Allowance07/06/99
  5. Grant12/28/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kao Corporation S/A

JP

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Inventors

K. T. (pessoa física)

JP

M. H. (pessoa física)

JP

M. M. (pessoa física)

JP

Technical data

Priority claims

JP

163.620/90 · 06/21/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/06/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

07/06/1999

RPI 1487

Exigência - art. 36 da LPI

#6.1

02/09/1999

RPI 1466

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

01/21/1992

RPI 1103

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