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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM COMPOSTO AZO, PROCESSO PARA TINGIR (INCLUSIVE ESTAMPAR) MATERIAL CONTENDO GRUPOS HIDRÓXI E/OU CARBOXAMIDO E COMPOSIÇÃO CORANTE AQUOSA

PublicadaInvention Patent

Application data

Number

PI8805966

Type

Invention Patent

Filing

11/16/1988

Publication

08/08/1989

Progress at the INPI

Technical opinion to answer
  1. Filing11/16/88
  2. Publication08/08/89
  3. Examination06/25/91
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. S. (pessoa física)

DE

D. H. (pessoa física)

DE

Technical data

Priority claims

DE

P 37 38 831.2 · 11/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/08/1989

RPI 981

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Retificação

#15.3

02/13/1996

RPI 1315

Conhecimento de parecer técnico

#7.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

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