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Official data from INPI

PROCESSO PARA PRODUÇÃO DE POLPA

DeferidaInvention Patent
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Application data

Number

PI8302391

Type

Invention Patent

Filing

05/06/1983

Publication

01/10/1984
View on INPI

Progress at the INPI

  1. Filing05/06/83
  2. Publication01/10/84
  3. Examination11/12/85
  4. Allowance04/25/89
  5. Grant03/20/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Modo Chemetics AB.

SE

MoDo-Chemetics AB

SE

Inventors

B. A. (pessoa física)

C. S. (pessoa física)

SE

S. H. (pessoa física)

CA

T. F. (pessoa física)

SE

Technical data

IPC Classification

D21C 3/26D21D 1/30

Priority claims

SE

8202868-9 · 05/07/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento (variante)

#9.1.2

09/05/1989

RPI 985

Deferimento

#9.1

04/25/1989

RPI 966

Deferimento

#9.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

Patente extinta em 06/05/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

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