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Official data from INPI

PROCESSO PARA A PREPARACAO DE PIRIDINAS SUBSTITUIDAS

Em AnáliseInvention Patent

Application data

Number

PI7705881

Type

Invention Patent

Filing

03/23/1977

Publication

-

Progress at the INPI

  1. Filing03/23/77
  2. Publication
  3. Examination
  4. Allowance11/17/81
  5. Grant01/25/83
  6. Terminated07/12/88

The patent was granted on 01/25/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEGUSSA

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Inventors

B. H. (pessoa física)

F. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Cessão de direito de exploração

#22.1

04/15/1986

RPI 808

20.4

11/01/1983

RPI 680

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

01/12/1982

RPI 586

Deferimento

#9.1

11/17/1981

RPI 578

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