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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 2,3-BIS(ARILETENIL)-QUINOXALINAS, FOTOCONDUTORAS

Em AnáliseInvention Patent

Application data

Number

PI8406571

Type

Invention Patent

Filing

12/19/1984

Publication

10/15/1985

Progress at the INPI

  1. Filing12/19/84
  2. Publication10/15/85
  3. Examination09/22/87
  4. Allowance01/02/91
  5. Grant07/30/91
  6. Terminated07/04/95

The patent was granted on 07/30/1991 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: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. P. (pessoa física)

DE

Technical data

Priority claims

DE

P 33 46 177.5 · 12/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

04/16/1991

RPI 1063

Deferimento

#9.1

01/02/1991

RPI 1048

Exigência - art. 36 da LPI

#6.1

04/24/1990

RPI 1015

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