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Official data from INPI

PROCESSO PARA A CLIVAGEM DE LIGNINA A UM RENDIMENTO SUPERIOR A 6%

Em AnáliseInvention Patent

Application data

Number

PI8606974

Type

Invention Patent

Filing

11/12/1986

Publication

11/03/1987

Progress at the INPI

  1. Filing11/12/86
  2. Publication11/03/87
  3. Examination08/08/89
  4. Allowance10/04/94
  5. Grant05/30/95
  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.

Talk to a specialist

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Minister of Agriculture Fisheries and Food in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland

GB

Inventors

C. S. (pessoa física)

GB

J. U. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8527960 · 11/13/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/08/1989

RPI 981

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Carta-patente expirada

#21.1

Patente extinta em 12/11/2001

07/22/2008

RPI 1959

16.3

11/12/1996

RPI 1354

16.3

04/23/1996

RPI 1325

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

14.7

08/16/1994

RPI 1237

Exigência - art. 36 da LPI

#6.1

11/23/1993

RPI 1199

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