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Official data from INPI

PROCESSO PARA REALIZAR UMA REACAO ENTRE DOIS REAGENTES QUIMICO PROCESSO PARA PRODUCAO DE FOSFAROS DE AMONIO E VASO DE REACAO

ConcedidaInvention Patent

Application data

Number

PI7607878

Type

Invention Patent

Filing

12/24/1975

Publication

-

Progress at the INPI

  1. Filing12/24/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Terminated10/23/90

The patent was granted on 12/29/1981 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/29/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FISONS LTD

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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