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Official data from INPI

PROCESSO PARA BRANQUEAR POLPA DE CELULOSE OBTIDA A PARTIR DE MADEIRA DE LEI

Arquivada/ExtintaInvention PatentPCT · FI1989000045

Application data

Number

PI8907314

Type

Invention Patent

Filing

03/13/1989

Publication

03/19/1991

PCT

FI1989000045

Progress at the INPI

  1. Filing03/13/89
  2. Publication03/19/91
  3. Examination11/12/91
  4. Allowance07/18/95
  5. Grant02/27/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cultor Oy

FI

Genencor International Europe Oy

FI

Inventors

M. K. (pessoa física)

US

M. V. (pessoa física)

FI

M. S. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

881192 · 03/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/03/2004

12/29/2009

RPI 2034

Pedido de licença compulsória

#20.1

10/22/1996

RPI 1351

Concessão da patente

#16.1

02/27/1996

RPI 1317

Notificação para pagamento de retribuição

#13.1

11/28/1995

RPI 1304

Deferimento

#9.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

01/10/1995

RPI 1258

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Notificação de entrada na fase nacional - PCT

#1.3

03/19/1991

RPI 1059

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