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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CORANTE HIDROSSOLÚVEL, APLICAÇÃO, PROCESSO PARA TINGIR (INCLUSIVE ESTAMPAR) MATERIAL CONTENDO GRUPOS HIDROXI E/OU CARBONAMIDA E COMPOSIÇÃO CORANTE AQUOSA

ArquivadaInvention Patent

Application data

Number

PI9001353

Type

Invention Patent

Filing

03/22/1990

Publication

04/02/1991

Progress at the INPI

  1. Filing03/22/90
  2. Publication04/02/91
  3. Abandoned05/25/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/02/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

H. B. (pessoa física)

DE

Technical data

Priority claims

DE

P 39 09 391.3 · 03/22/1989

DE

P 39 33 768.5 · 10/10/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

03/02/1999

RPI 1469

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

Solicitação de exame técnico

#4.1

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

04/02/1991

RPI 1061

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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