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Official data from INPI

PROCESSO PARA PREPARAR UM COMPOSTO DE PIROGALOL E PROCESSO PARA PREPARAR 2,2,6,6-TETRACLORO-CICLOHEXANONA OU2,2,6,6-TETRABROMOCICLO-H EXANONA

ConcedidaInvention Patent

Application data

Number

PI7607946

Type

Invention Patent

Filing

07/31/1976

Publication

-

Progress at the INPI

  1. Filing07/31/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used 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

H. J. (pessoa física)

M. B. (pessoa física)

M. J. (pessoa física)

N. B. (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

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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