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Official data from INPI

PROCESSO PARA PREPARACAO DE ACILHIDRAZONAS DE ESTER DE ACIDO FORMILACETICO

Em AnáliseInvention Patent

Application data

Number

PI8006947

Type

Invention Patent

Filing

11/07/1979

Publication

-

Progress at the INPI

  1. Filing11/07/79
  2. Publication
  3. Examination05/10/83
  4. Allowance06/26/84
  5. Grant12/26/84
  6. Terminated07/12/88

The patent was granted on 12/26/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHERING AG

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Inventors

K. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

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