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Official data from INPI

N-AZOLILALQUIL-ANILINAS E PROCESSO PARA SUA PREPARACAO

Em AnáliseInvention Patent

Application data

Number

PI7900827

Type

Invention Patent

Filing

02/10/1978

Publication

-

Progress at the INPI

  1. Filing02/10/78
  2. Publication
  3. Examination10/20/81
  4. Allowance06/26/84
  5. Grant12/26/84
  6. Terminated06/14/88

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.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

D. W. (pessoa física)

L. W. (pessoa física)

S. J. (pessoa física)

T. R. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

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

Republicação - classificação IPC

#15.11

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

6.2

04/27/1982

RPI 601

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

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