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Official data from INPI

PROCESSO PARA A SEPARAÇÃO DE PRODUTOS QUÍMICOS QUE CONTÉM CLORO DO LÍQUIDO OBTIDO NA PRIMEIRA ETAPA DE BRANQUEAMENTO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101745

Type

Invention Patent

Filing

04/30/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/30/91
  2. Publication12/10/91
  3. Examination06/30/92
  4. Allowance05/23/00
  5. Grant08/22/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jaakko Poyry Oy

FI

Inventors

B. M. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

902261 · 05/04/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

05/23/2000

RPI 1533

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

06/30/1992

RPI 1126

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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