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Official data from INPI

UTILIZACAO DE POLIETILENIMINA PARA A ABSORCAO DE SUBSTANCIAS DE ODORIDADE ATIVA

Em AnáliseInvention Patent

Application data

Number

PI8108919

Type

Invention Patent

Filing

12/18/1980

Publication

11/30/1982

Progress at the INPI

Technical opinion to answer
  1. Filing12/18/80
  2. Publication11/30/82
  3. Examination04/10/84
  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: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MEYER HOLGER [DE]

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

06/06/1989

RPI 972

Conhecimento de parecer técnico

#7.1

09/13/1988

RPI 934

Solicitação de exame técnico

#4.1

04/10/1984

RPI 703

Notificação de entrada na fase nacional - PCT

#1.3

11/30/1982

RPI 632

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