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Official data from INPI

PREPARACAO DE PIRIDINAS E NICOTINONITRILA PARTINDO DE PIPERIDINAS

Em AnáliseInvention Patent

Application data

Number

PI7704282

Type

Invention Patent

Filing

07/01/1976

Publication

-

Progress at the INPI

  1. Filing07/01/76
  2. Publication
  3. Examination
  4. Allowance03/09/82
  5. Grant
  6. Terminated12/15/87

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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DYNAMIT NOBEL AG

LUMMUS CO

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Pedido de licença compulsória

#20.1

01/02/1985

RPI 741

20.4

12/18/1984

RPI 739

Notificação para pagamento de retribuição

#13.1

06/29/1982

RPI 610

Deferimento

#9.1

03/09/1982

RPI 594

15.0

10/27/1981

RPI 575

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