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Official data from INPI

COMPOSTOS FTALOCIANINICOS,PROCESSO PARA SUA PREPARACAO E SUA APLICACAO

Em AnáliseInvention Patent

Application data

Number

PI7703095

Type

Invention Patent

Filing

05/13/1976

Publication

-

Progress at the INPI

  1. Filing05/13/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant04/26/83
  6. Terminated12/08/87

The patent was granted on 04/26/1983 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOECHST AG

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Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

12/01/1981

RPI 580

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