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Official data from INPI

PROCESSOS PARA A OBTENÇÃO DE DERIVADOS DE ÁCIDO PIRIDINO-2,3-DICARBOXÍLICO E DE DERIVADOS DE ÁCIDO 1-AMINO-1,4-DIHIDROPIRIDINO-2,3-DICARBOXÍLICO

Em AnáliseInvention Patent

Application data

Number

PI8502227

Type

Invention Patent

Filing

05/10/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing05/10/85
  2. Publication01/14/86
  3. Examination03/01/88
  4. Allowance03/12/91
  5. Grant10/29/91
  6. Terminated07/25/95

The patent was granted on 10/29/1991 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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

See this company's full portfolio

Inventors

D. R. (pessoa física)

CH

D. W. (pessoa física)

CH

D. B. (pessoa física)

CH

Technical data

Priority claims

CH

2337/84 · 05/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

06/25/1991

RPI 1073

Deferimento

#9.1

03/12/1991

RPI 1058

Exigência - art. 36 da LPI

#6.1

08/21/1990

RPI 1029

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