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Official data from INPI

PROCESSO PARA SEPARAR LIGNINA E RECUPERAR FENOL DE SOLUÇÕES DE FENOL

Em AnáliseInvention Patent

Application data

Number

PI8707189

Type

Invention Patent

Filing

12/31/1987

Publication

08/16/1988

Progress at the INPI

  1. Filing12/31/87
  2. Publication08/16/88
  3. Examination10/31/89
  4. Allowance03/08/94
  5. Abandoned
  6. In force

The application was allowed on 03/08/1994 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neste Oy

FI

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Inventors

K. E. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

865359 · 12/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

08/16/1988

RPI 930

Pedido de patente depositado

#2.1

04/12/1988

RPI 912

Arquivamento - Art. 38 §2° da LPI

#11.4

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

06/21/1994

RPI 1229

Deferimento

#9.1

03/08/1994

RPI 1214

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