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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ÁCIDO 1-DIAZO-2-NAFTOL-4-SULFÔNICO, ÁCIDO 1-DIAZO-2NAFTOL-4-SULFÔNICO ASSIM OBTIDO E SUA APLICAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8601708

Type

Invention Patent

Filing

04/16/1986

Publication

12/16/1986

Progress at the INPI

  1. Filing04/16/86
  2. Publication12/16/86
  3. Examination01/10/89
  4. Allowance09/14/93
  5. Abandoned
  6. In force

The application was allowed on 09/14/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

B. F. (pessoa física)

Technical data

Priority claims

CH

1636/85 · 04/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Arquivamento - Art. 38 §2° da LPI

#11.4

06/07/1994

RPI 1227

Notificação para pagamento de retribuição

#13.1

02/22/1994

RPI 1212

Deferimento

#9.1

09/14/1993

RPI 1189

Exigência - art. 36 da LPI

#6.1

09/29/1992

RPI 1139

Exigência - art. 36 da LPI

#6.1

12/24/1991

RPI 1099

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