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Official data from INPI

PROCESSO PARA LAVAGEM DE POLPA CELULOSICA ALCALINA

Em AnáliseInvention PatentPCT · SE1987000623

Application data

Number

PI8707606

Type

Invention Patent

Filing

12/21/1987

Publication

10/03/1989

PCT

SE1987000623

Progress at the INPI

  1. Filing12/21/87
  2. Publication10/03/89
  3. Examination03/01/90
  4. Allowance04/05/94
  5. Grant10/25/94
  6. In force12/21/07

The patent was granted on 10/25/1994 and is in force until 12/21/2007. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/21/2007

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SE

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Inventors

M. B. (pessoa física)

SE

R. R. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

SE

8605510-0 · 12/22/1986

SE

PCT/SE87/00198 · 04/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

334

Anulada a publicação efetuada na RPI 1448 de 22/09/98 por ter sido indevida.

11/03/1998

RPI 1452

321

Recorrente: O Titular@Recurso conhecido e negado provimento. Mantido o cancelamento do privilégio.

07/07/1998

RPI 1437

300

11/19/1996

RPI 1355

200

07/16/1996

RPI 1337

Pedido de licença voluntária

#17.1

12/12/1995

RPI 1306

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

04/05/1994

RPI 1218

Exigência - art. 36 da LPI

#6.1

05/19/1992

RPI 1120

Solicitação de exame técnico

#4.1

03/01/1990

RPI 1007

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