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Official data from INPI

PROCESSO DE ESTABILIZACAO DE PIGMENTOS DE FTALOCIANINA,BEM COMO MISTURAS DE PIGMENTOS DE FTALOCIANINAS,ESTAVEIS A RECRISTALIZACAO

Em AnáliseInvention Patent

Application data

Number

PI7504560

Type

Invention Patent

Filing

07/19/1974

Publication

-

Progress at the INPI

  1. Filing07/19/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated06/17/86

The patent was granted 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: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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Inventors

C. L. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/17/1986

RPI 817

Cessão de direito de exploração

#22.1

07/02/1985

RPI 767

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