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Official data from INPI

PROCESSO PARA TRATAR POLPA CONTENDO FIBRAS DE LINGNOCELULOSE COM CLORO.

Em AnáliseInvention Patent

Application data

Number

PI7702604

Type

Invention Patent

Filing

04/25/1977

Publication

-

Progress at the INPI

  1. Filing04/25/77
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant01/25/83
  6. Terminated10/23/90

The patent was granted on 01/25/1983 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: 08/16/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

FI

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Inventors

G. J. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/16/1983

RPI 669

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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