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Official data from INPI

PROCESSO PARA O ALVEJAMENTO DE POLPA KRAFT DERIVADA DE MADEIRA, DESLIGNIFICADA COM OXIGÊNIO.

Arquivada/ExtintaInvention PatentPCT · FI1990000194

Application data

Number

PI9007655

Type

Invention Patent

Filing

08/13/1990

Publication

07/07/1992

PCT

FI1990000194

Progress at the INPI

  1. Filing08/13/90
  2. Publication07/07/92
  3. Examination07/27/93
  4. Allowance07/27/99
  5. Grant04/18/00
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cultor Oy

FI

Inventors

I. K. (pessoa física)

FI

J. L. (pessoa física)

FI

M. K. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

US

393.716 · 08/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

04/18/2000

RPI 1528

Deferimento

#9.1

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

12/08/1998

RPI 1457

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Notificação de entrada na fase nacional - PCT

#1.3

07/07/1992

RPI 1127

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