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Official data from INPI

COMBUSTÍVEL CONSISTINDO DE UMA MISTURA DE FIBRAS CELULÓSICAS E LAMAS OU MATERIAIS RESIDUAIS CONTENDO GORDURA E/OU ÓLEO

Em AnáliseInvention Patent
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Application data

Number

PI8606939

Type

Invention Patent

Filing

10/09/1986

Publication

11/03/1987
View on INPI

Progress at the INPI

  1. Filing10/09/86
  2. Publication11/03/87
  3. Examination04/25/89
  4. Allowance09/08/93
  5. Grant04/26/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Danergi A/S

DK

Inventors

P. S. (pessoa física)

DK

Technical data

IPC Classification

C10L 5/40

Priority claims

DK

4724/85 · 10/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/25/1989

RPI 966

14.1

04/12/1988

RPI 912

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Carta-patente expirada

#21.1

Patente extinta em 09/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

09/08/1993

RPI 1188

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

14.1

04/10/1990

RPI 1013

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