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Official data from INPI

NOVAS HIDROXIPIRIDINONAS

ArquivadaInvention Patent

Application data

Number

PI9603929

Type

Invention Patent

Filing

09/27/1996

Publication

06/09/1998

Progress at the INPI

  1. Filing09/27/96
  2. Publication06/09/98
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/27/1996 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/18/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Novartis AG (Novartis SA) (Novartis Inc.)

CH

See this company's full portfolio

Inventors

P. Z. (pessoa física)

CH

Technical data

Priority claims

CH

2759/95 · 09/29/1995

Abstract

Patente de Invenção: "NOVAS HIDROXIPIRIDINONAS" . são descritas 3-hidroxipiridin-4-onas de fórmula I em que R~1~ - R~4~, A e B são como definidos na descrição. Os compostos têm propriedades farmacêuticas valiosas e são especialmente eficazes como quelantes de ferro. Eles podem ser usados para tratar ferro em excesso nos corpos de animais de sangue quente.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/18/2001

RPI 1602

Transferência deferida

#25.1

Transferido por incorporação de: Ciba-Geigy AG.

08/31/1999

RPI 1495

Publicação do pedido de patente

#3.1

06/09/1998

RPI 1433

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