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Official data from INPI

Processo de preparação monocarboxilatos de hidroquinona.

Em AnáliseInvention Patent

Application data

Number

PI8502941

Type

Invention Patent

Filing

06/20/1985

Publication

03/04/1986

Progress at the INPI

  1. Filing06/20/85
  2. Publication03/04/86
  3. Examination03/01/88
  4. Allowance
  5. Grant
  6. In force

Published on 03/04/1986, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

S. R. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 10184 · 06/25/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Republicação - classificação IPC

#15.11

04/15/1986

RPI 808

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Retificação

#15.3

09/03/1991

RPI 1083

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