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Official data from INPI

DERIVADOS DE DIAMINOBENZENO E AGENTES DE TINGIMENTO CONTENDO ESTES COMPOSTOS.

ArquivadaInvention Patent

Application data

Number

PI9901020

Type

Invention Patent

Filing

03/18/1999

Publication

05/09/2000

Progress at the INPI

  1. Filing03/18/99
  2. Publication05/09/00
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/02/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. A. (pessoa física)

DE

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Inventors

D. B. (pessoa física)

CH

D. C. (pessoa física)

CH

Technical data

Priority claims

DE

19812058.3 · 03/19/1998

Abstract

Patente de Invenção: "DERIVADOS DE DIAMINOBENZENO E AGENTES DE TINGIMENTO CONTENDO ESTES COMPOSTOS" . Derivados de p-diaminobenzeno da fórmula geral (I) ou seus sais solúveis em água, toleráveis fisiologicamente bem como agentes contendo estes compostos para o tingimento oxidativo de fibras.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/02/2010

RPI 2039

Republicação - classificação IPC

#15.11

Alterada de Int.Cl: C07D 207/08, C07D 307/10, C07D 333/06, C07D 333/46, C07D 345/00, A61K 7/13

07/21/2009

RPI 2011

Exigência - art. 36 da LPI

#6.1

07/21/2009

RPI 2011

Publicação do pedido de patente

#3.1

05/09/2000

RPI 1531

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