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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE BENZANTRONA E BENZANTRONA OBTIDA.

Em AnáliseInvention Patent

Application data

Number

PI8403455

Type

Invention Patent

Filing

07/11/1984

Publication

06/25/1985

Progress at the INPI

  1. Filing07/11/84
  2. Publication06/25/85
  3. Examination07/07/87
  4. Allowance01/29/91
  5. Grant08/27/91
  6. Terminated09/12/95

The patent was granted on 08/27/1991 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

D. P. (pessoa física)

CH

D. B. (pessoa física)

CH

D. B. (pessoa física)

CH

H. H. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

3820/83-2 · 07/12/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.17

09/05/1989

RPI 985

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

07/07/1987

RPI 872

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

09/18/1984

RPI 726

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/29/1991

RPI 1052

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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