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Official data from INPI

PROCESSO PARA LAVAGEM EM CONTRACORRENTE E BRANQUEAMENTO DE UMA PASTA PROVENIENTE DE UM PROCESSO DE DIGESTÃO QUÍMICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100093

Type

Invention Patent

Filing

01/10/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/10/91
  2. Publication10/22/91
  3. Examination10/13/93
  4. Allowance05/04/99
  5. Grant09/08/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jaakko Poyry Oy

FI

Inventors

R. S. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

900162 · 01/11/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/01/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

10/13/1993

RPI 1193

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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