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Official data from INPI

PREPARAÇÃO DE ÉTER DIMETÍLICO DO TIPO COMBUSTÍVEL

Arquivada/ExtintaInvention PatentPCT · DK1996000047

Application data

Number

PI9607349

Type

Invention Patent

Filing

01/29/1996

Publication

12/30/1997

PCT

DK1996000047

Progress at the INPI

  1. Filing01/29/96
  2. Publication12/30/97
  3. Examination
  4. Allowance01/22/02
  5. Grant09/17/02
  6. Expired04/26/16

The letters patent expired on 04/26/2016: 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: 04/26/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Haldor Topsoe A/S

DK

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Inventors

B. V. (pessoa física)

DK

F. J. (pessoa física)

DK

J. H. (pessoa física)

DK

Technical data

Priority claims

DK

0120/95 · 02/03/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/01/2016

04/26/2016

RPI 2364

Concessão da patente

#16.1

09/17/2002

RPI 1654

9.1.3

Com apostilamento a ser verificado no parecer técnico.

09/03/2002

RPI 1652

Deferimento

#9.1

01/22/2002

RPI 1620

Notificação de entrada na fase nacional - PCT

#1.3

12/30/1997

RPI 1410

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