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Official data from INPI

PROCESSO PARA REGULAR O FORNECIMENTO DE PRODUTOS QUIMICOS DE REACAO QUANDO DA DESLIGNIFICACAO DE MATERIAL CELULOSICO

ConcedidaInvention Patent

Application data

Number

PI7802938

Type

Invention Patent

Filing

05/11/1977

Publication

-

Progress at the INPI

  1. Filing05/11/77
  2. Publication
  3. Examination
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Terminated09/18/90

The patent was granted on 01/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MO OCH DOMSJOE AB

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Inventors

B. J. (pessoa física)

H. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

10/13/1982

RPI 625

6.2

01/19/1982

RPI 587

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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