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Official data from INPI

COMPOSICAO E DISPOSITIVO PARA A LIBERACAO CONTROLADA E UNIFORME DE UM MEDICAMENTO,AGENTE BIOATIVO OU SEMELHANTE

Em AnáliseInvention Patent

Application data

Number

PI8404409

Type

Invention Patent

Filing

09/15/1983

Publication

07/30/1985

Progress at the INPI

  1. Filing09/15/83
  2. Publication07/30/85
  3. Examination09/16/86
  4. Allowance
  5. Grant
  6. In force

Published on 07/30/1985, 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: 09/16/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KENDALL & CO [US]

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Inventors

S. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/16/1986

RPI 830

Solicitação de exame não realizada

#4.2

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

07/30/1985

RPI 771

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

14.8

03/16/1993

RPI 1163

Alteração de numeração

#15.1

07/02/1991

RPI 1074

Deferimento

#9.1

02/26/1991

RPI 1056

Exigência - art. 36 da LPI

#6.1

10/09/1990

RPI 1036

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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